Faculty Profiles - MURATA Yoshiyuki

Papers - MURATA Yoshiyuki

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SEED PRIMING AND EXOGENOUS APPLICATION OF SALICYLIC ACID ENHANCE GROWTH AND PRODUCTIVITY OF OKRA (Abelmoschus esculentus L.) BY REGULATING PHOTOSYNTHETIC ATTRIBUTES Reviewed International coauthorship International journal

Mohammad Saidur Rhaman, Farjana Rauf, Shaila Shermin Tania, Md. Masudul Karim, Ashaduzzaman Sagar, Arif Hasan Khan Robin, Arafat Abdel Hamed Abdel Latef, Yoshiyuki Murata

Journal of Experimental Biology and Agricultural Sciences 9 ( 6 ) 759 - 769 2021.12

Language：English Publishing type：Research paper (scientific journal) Publisher：Journal of Experimental Biology and Agricultural Sciences

Low and uneven germination is a serious problem for the successful production of okra seedlings. Priming of seeds as well as supplementation of different plant growth regulators exhibited better response in successful seedling production which eventually results in higher yield. Therefore, the present study was conducted to evaluate the effects of seed priming and exogenous application of salicylic acid (SA) on okra seed germination and plant development. The okra seeds were primed by 1 mM and 2 mM of SA for 60 minutes whereas the seeds were washed several times with distilled water for the control treatment. Similar doses of SA have been exogenously sprayed to the 12 days okra seedlings for 4 days. The results of the study revealed that seed priming with SA enhanced germination percentage (GP), increased coleoptile length and weight, shoot and root length, and seed vigor index (SVI). Similarly, exogenous application of 1 mM SA increased relative water content (RWC), contents of chlorophyll a, chlorophyll b, total chlorophyll while a higher dose of SA (2 mM) degraded the leaf pigments. Supplementation of SA altered photosynthetic attributes, net photosynthetic (Pn) and transpiration rate (Tr), stomatal conductance (Gs), and water use efficiency (WUE). Moreover, SA treatment reduced the time duration of flower bud initiation and days to first flowering and enhanced the yield per plant. The results of this study indicated that seed priming and exogenous application of SA enhanced germination and okra productivity by regulating RWC and photosynthetic attributes where 1 mM SA is more effective compared to 2 mM SA.

DOI： 10.18006/2021.9(6).759.769

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Exogenous Oxalic Acid Protects Germinating Chickpea Seeds Against Cadmium Injury Reviewed International coauthorship International journal

Lamia Sakouhi, Oussama Kharbech, Marouane Ben Massoud, Shintaro Munemasa, Yoshiyuki Murata, Abdelilah Chaoui

Journal of Soil Science and Plant Nutrition 22 ( 1 ) 647 - 659 2021.11

Language：English Publishing type：Research paper (scientific journal) Publisher：Springer Science and Business Media LLC

The objective of the present study was to elucidate the mechanism by which oxalic acid (OA) alleviates cadmium (Cd) stress. Chickpea (Cicer arietinum L.) seeds were treated with 200 mu M CdCl2 for 6 days or 3 days followed by the combination 200 mu M Cd + 100 mu M OA for three additional days. Exogenous OA mitigated the growth inhibition by Cd of both roots and shoots. This positive effect can be attributed to the increased OA exudation from roots and the alleviation of the Cd-induced depletion of endogenous OA in shoots (80% increase versus Cd-stressed). The combination Cd + OA proved to be effective in protecting cell membrane integrity. This beneficial effect was reflected by 36 and 24% decrease in lipoxygenase (LOX) activity in roots and shoots, respectively, and 60% decrease in the accumulation of the harmful aldehyde, 4-hydroxy-2-nonenal (4-HNE) in roots when compared to Cd-treated samples. Besides, OA restored the Cd-imposed disruption of the plasma membrane function. This effect was depicted by an optimal H+-ATPase activity and proton exudation rate. Oxalic acid counteracted the Cd-induced overproduction of hydroxyl radical (OH center dot) and NADPH-oxidase activity increase, leading to restore a steady cellular redox state. Furthermore, OA modulated the impact of Cd on Cu/Zn-superoxide dismutase (Cu/Zn-SOD), ascorbate peroxidase (APX), and catalase (CAT) activities in chickpea seedlings. Present results indicate that OA is able to alleviate Cd toxicity by protecting plasma membrane integrity and modulating antioxidant activities. Moreover, our findings shed light on the interplay between plasma membrane H+-ATPase and the accumulation and root exudation of OA.

DOI： 10.1007/s42729-021-00675-x

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Other Link： https://link.springer.com/article/10.1007/s42729-021-00675-x/fulltext.html

Neither glutamate nor alanine but arginine sensitizes BY-2 cells to arsenate Reviewed International coauthorship International journal

Nur-E-Nazmun Nahar, Md Yeasin Prodhan, Yoshiharu Mimata, Anna Yonezawa, Toshiyuki Nakamura, Yoshimasa Nakamura, Shintaro Munemasa, Yoshiyuki Murata

Bioscience, Biotechnology, and Biochemistry 86 ( 1 ) 37 - 46 2021.10

Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal) Publisher：Oxford University Press (OUP)

<title>ABSTRACT</title>
Arsenic is toxic for plants. Our previous results showed that the application of proline enhanced the sensitivity of tobacco BY-2 cells to arsenate. In order to clarify the enhancement mechanism, we investigated the effects of other amino acids on the arsenate-stressed BY-2 cells. Glutamate at up to 10 m m did not affect the cell growth in the absence or presence of arsenate. Arginine at up to 10 m m did not affect the growth in the absence of arsenate but arginine at 10 m m enhanced the inhibition of the cell growth by arsenate. Alanine at up to 10 m m did not affect the cell growth under nonstressed condition but alanine at 10 m m significantly improved the cell growth under arsenate stress. These results suggest that alanine mitigates arsenate stress in BY-2 cells and that arginine like proline enhances the sensitivity of BY-2 cells to arsenate.

DOI： 10.1093/bbb/zbab191

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Cadmium uptake via apoplastic bypass flow in Oryza sativa. Reviewed International coauthorship International journal

Izumi C Mori, Carlos Raul Arias-Barreiro, Lia Ooi, Nam-Hee Lee, Muhammad Abdus Sobahan, Yoshimasa Nakamura, Yoshihiko Hirai, Yoshiyuki Murata

Journal of plant research 134 ( 5 ) 1139 - 1148 2021.9

Language：English Publishing type：Research paper (scientific journal)

It is known that rice roots take up cadmium (Cd) via the symplastic route mediated by membrane-bound mineral transporters. Here we provide evidence that apoplastic bypass flow is another Cd uptake route in rice. High concentrations of Cd rendered apoplastic bypass flow rate increased in rice seedlings. These concentrations of Cd compromised membrane integrity in the root meristem and transition zone. Polyethleneglycol and proline inhibited the Cd-induced apoplastic bypass flow and Cd transfer to the shoots. Loss-of-function mutant of the Cd uptake transporter, nramp5, showed Cd transport to the shoot comparable to the wild type. At a low Cd concentration, increased apoplastic bypass flow rate by NaCl stress resulted in an elevation of Cd transport to shoots both in the wildtype and nramp5. These observations indicate that apoplastic bypass flow in roots carries Cd transport leading to xylem loading of Cd in addition to the symplastic pathway mediated by mineral transporters under stressed conditions.

DOI： 10.1007/s10265-021-01319-y

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Modulation of frequency and height of cytosolic calcium spikes by plasma membrane anion channels in guard cells. Reviewed International coauthorship International journal

Md Tahjib-Ul-Arif, Shintaro Munemasa, Toshiyuki Nakamura, Yoshimasa Nakamura, Yoshiyuki Murata

Bioscience, biotechnology, and biochemistry 85 ( 9 ) 2003 - 2010 2021.8

Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal)

Cytosolic calcium ([Ca2+]cyt) elevation activates plasma membrane anion channels in guard cells, which is required for stomatal closure. However, involvement of the anion channels in the [Ca2+]cyt elevation remains unclear. We investigated the involvement using Arabidopsis thaliana anion channel mutants, slac1-4 slah3-3 and slac1-4 almt12-1. Extracellular calcium induced stomatal closure in the wild-type plants but not in the anion channel mutant plants whereas extracellular calcium induced [Ca2+]cyt elevation both in the wild-type guard cells and in the mutant guard cells. The peak height and the number of the [Ca2+]cyt spike were lower and larger in the slac1-4 slah3-3 than in the wild type and the height and the number in the slac1-4 almt12-1 were much lower and much larger than in the wild type. These results suggest that the anion channels are involved in the regulation of [Ca2+]cyt elevation in guard cells.

DOI： 10.1093/bbb/zbab118

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5-aminolevulinic acid-mediated plant adaptive responses to abiotic stress. Reviewed International coauthorship International journal

Mohammad Saidur Rhaman, Shahin Imran, Md Masudul Karim, Jotirmoy Chakrobortty, Md Asif Mahamud, Prosenjit Sarker, Md Tahjib-Ul-Arif, Arif Hasan Khan Robin, Wenxiu Ye, Yoshiyuki Murata, Mirza Hasanuzzaman

Plant cell reports 40 ( 8 ) 1451 - 1469 2021.8

Language：English Publishing type：Research paper (scientific journal)

KEY MESSAGE: 5-aminolevulinic acid (ALA) modulates various defense systems in plants and confers abiotic stress tolerance. Enhancement of crop production is a challenge due to numerous abiotic stresses such as, salinity, drought, temperature, heavy metals, and UV. Plants often face one or more abiotic stresses in their life cycle because of the challenging growing environment which results in reduction of growth and yield. Diverse studies have been conducted to discern suitable mitigation strategies to enhance crop production by minimizing abiotic stress. Exogenous application of different plant growth regulators is a well-renowned approach to ameliorate adverse effects of abiotic stresses on crop plants. Among the numerous plant growth regulators, 5-aminolevulinic acid (ALA) is a novel plant growth regulator, also well-known to alleviate the injurious effects of abiotic stresses in plants. ALA enhances abiotic stress tolerance as well as growth and yield by regulating photosynthetic and antioxidant machineries and nutrient uptake in plants. However, the regulatory roles of ALA in plants under different stresses have not been studied and assembled systematically. Also, ALA-mediated abiotic stress tolerance mechanisms have not been fully elucidated yet. Therefore, this review discusses the role of ALA in crop growth enhancement as well as its ameliorative role in abiotic stress mitigation and also discusses the ALA-mediated abiotic stress tolerance mechanisms and its limitation and future promises for sustainable crop production.

DOI： 10.1007/s00299-021-02690-9

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White rice ethanol extract is qualitatively, but not quantitatively, equivalent to that of brown rice as an antioxidant source. Reviewed International coauthorship International journal

Hongyan Wu, Toshiyuki Nakamura, Yingnan Guo, Miho Hirooka, Gongliang Zhang, Shintaro Munemasa, Yoshiyuki Murata, Akiko Fujita, Yoshimasa Nakamura

Bioscience, biotechnology, and biochemistry 85 ( 10 ) 2161 - 2168 2021.7

Language：English Publishing type：Research paper (scientific journal)

The purpose of this study is to compare the potentials to exhibit biologically-active antioxidant actions between white rice (WR) and brown rice (BR) in in vitro assays and a cellular model. The Trolox equivalent (TE) per 1 mg ethanol extract of WR for the 1,1-diphenyl-2-picrylhydrazyl assay was slightly higher than that of BR, whereas the TE per 1 g whole WR was much lower than that for BR. This tendency was very comparable to those for the oxygen radical absorbance capacity and total polyphenol content. Both of the ethanol extracts also similarly suppressed the hydrogen peroxide-induced cytotoxicity and enhanced the gene expression of drug-metabolizing enzymes. Based on the αT quantity, its contribution to the cytoprotective effect of the rice extracts is very limited. Taken together, the ethanol extract of WR might be a qualitatively, but not quantitatively, equivalent source of antioxidative phytochemicals to that of BR.

DOI： 10.1093/bbb/zbab133

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Citric Acid-Mediated Abiotic Stress Tolerance in Plants. Reviewed International coauthorship International journal

Md Tahjib-Ul-Arif, Mst Ishrat Zahan, Md Masudul Karim, Shahin Imran, Charles T Hunter, Md Saiful Islam, Md Ashik Mia, Md Abdul Hannan, Mohammad Saidur Rhaman, Md Afzal Hossain, Marian Brestic, Milan Skalicky, Yoshiyuki Murata

International journal of molecular sciences 22 ( 13 ) 2021.7

Language：English Publishing type：Research paper (scientific journal)

Several recent studies have shown that citric acid/citrate (CA) can confer abiotic stress tolerance to plants. Exogenous CA application leads to improved growth and yield in crop plants under various abiotic stress conditions. Improved physiological outcomes are associated with higher photosynthetic rates, reduced reactive oxygen species, and better osmoregulation. Application of CA also induces antioxidant defense systems, promotes increased chlorophyll content, and affects secondary metabolism to limit plant growth restrictions under stress. In particular, CA has a major impact on relieving heavy metal stress by promoting precipitation, chelation, and sequestration of metal ions. This review summarizes the mechanisms that mediate CA-regulated changes in plants, primarily CA's involvement in the control of physiological and molecular processes in plants under abiotic stress conditions. We also review genetic engineering strategies for CA-mediated abiotic stress tolerance. Finally, we propose a model to explain how CA's position in complex metabolic networks involving the biosynthesis of phytohormones, amino acids, signaling molecules, and other secondary metabolites could explain some of its abiotic stress-ameliorating properties. This review summarizes our current understanding of CA-mediated abiotic stress tolerance and highlights areas where additional research is needed.

DOI： 10.3390/ijms22137235

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Screening of rice genotypes for salt tolerance by physiological and biochemical characters Reviewed International coauthorship International journal

Uttam Bhowmik, Mohammad Golam Kibria, Mohammad Saidur Rhaman, Yoshiyuki Murata, Md. Anamul Hoque

Plant Science Today 8 ( 3 ) 2021.7

Language：English Publishing type：Research paper (scientific journal) Publisher：Horizon E-Publishing Group

Crop production is unexpectedly hampered by different abiotic stresses. Salinity is one of the leading stresses, which snappishly hampers plant developmental progression. Local rice landraces exhibit noticeable salt tolerance as well as high yield. However, research is scarce about the physio-biochemical responses of local landraces and modern cultivar under saline conditions. Therefore, the present experiment was designed to reveal the physio-biochemical responses of local landraces and modern cultivar under salinity stress. Five landraces (Jotai, Icheburogolghor, Morishal, Chapail, Kumro buro) and two modern cultivars (BR23 and BRRI dhan41) were subjected to 0, 20, 40, 60 and 80 mM NaCl treatment. The effects of salt stress on morphological parameters, proline contents, and activities of antioxidant enzymes were assessed. Salt stress reduces the morphological parameters of all tested cultivars. The Morishal and BRRI dhan41 exhibited higher growth of plant and physiological parameters than other cultivars under the highest salinity. The catalase (CAT) and ascorbate peroxidase (APX), exhibited a significant increase whereas peroxidase (POX) activity significantly declined in all the cultivars under salinity stress. Morishal and BRRI dhan41 showed the highest proline content under the maximum saline condition. These results suggest that the high tolerant landrace and modern cultivars were Morishal and BRRI dhan41 respectively. These results also suggest that Morishal and BRRI dhan41 exhibited high tolerance to salinity by enhancing proline content and antioxidant enzyme activities.

DOI： 10.14719/pst.2021.8.3.1098

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Other Link： https://horizonepublishing.com/journals/index.php/PST/article/download/1098/667

Calcium and ethylene glycol tetraacetic acid mitigate toxicity and alteration of gene expression associated with cadmium stress in chickpea (Cicer arietinum L.) shoots. Reviewed International coauthorship International journal

Lamia Sakouhi, Oussama Kharbech, Marouane Ben Massoud, Charfeddine Gharsallah, Sihem Ben Hassine, Shintaro Munemasa, Yoshiyuki Murata, Abdelilah Chaoui

Protoplasma 258 ( 4 ) 849 - 861 2021.7

Language：English Publishing type：Research paper (scientific journal)

In the aim to estimate the protective role of calcium (Ca) and ethylene glycol tetraacetic acid (EGTA) against cadmium (Cd)-induced damage, chickpea (Cicer arietinum L.) seeds were exposed to 200 μM Cd stress for 6 days or 3 days then subjected to co-treatment of the metal with either 100 mM CaCl2 or 100 μM EGTA for 3 additional days. The addition of Ca and EGTA improved seedling growth. This protecting effect was correlated to the alleviation of the metal-induced oxidative stress, exemplified by the reduction of hydrogen peroxide (H2O2) contents. Besides, Ca and EGTA stimulated thioredoxin (Trx) and thioredoxin reductase (NTR) activities (2.75- and 1.75-fold increase when compared to Cd-stressed, respectively) protecting, thereby, protein -SH groups from the Cd-mediated oxidation, and modulated ferredoxin (Fdx) activity to a control level. Moreover, Ca and EGTA reinstated the glutathione redox steady state, mainly via preserving a high level of glutathione reduced form (GSH). This effect coincided with the maintaining of the Cd-stimulated glutathione reductase (GR) activity and the decline of glutathione peroxidase (GPX, 43% lower than Cd-stressed shoots) activity. Ca and EGTA counteracted the inhibitory effect of Cd on the activity and gene expression of Cu/Zn-superoxide dismutase (Cu/Zn-SOD) isoenzyme and modulated the activities of catalase (CAT) and ascorbate peroxidase (APX). Overall, our results provided evidence that Ca and EGTA supplement could be a promising approach in the remediation of Cd-contaminated environment.

DOI： 10.1007/s00709-020-01605-x

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A multidrug resistance-associated protein inhibitor is a potential enhancer of the benzyl isothiocyanate-induced apoptosis induction in human colorectal cancer cells. Reviewed International coauthorship International journal

Qifu Yang, Toshiyuki Nakamura, Masayuki Seto, Miku Miyagawa, Wensi Xu, Beiwei Zhu, Shintaro Munemasa, Yoshiyuki Murata, Yoshimasa Nakamura

Journal of biochemical and molecular toxicology 35 ( 7 ) e22791 2021.7

Language：English Publishing type：Research paper (scientific journal)

The increasing drug efflux through the ATP-binding cassette (ABC) transporters is the most plausible mechanism that mediates resistance to the anticancer phytochemicals, such as benzyl isothiocyanate (BITC), as well as chemotherapy drugs. To identify a potential component to overcome this resistance by combinatory utilization, we focused on multidrug resistance-associated proteins (MRPs) pumping various drug metabolites with glutathione as well as the organic anions. The pharmacological treatment of an MRP inhibitor, MK571, significantly potentiated the BITC-induced antiproliferation, coincided with the enhanced accumulation of BITC and glutathione in human colorectal cancer HCT-116 cells. MK571 also enhanced the apoptosis induction as well as activation of the mitogen-activated protein kinases and caspase-3, whereas it did not affect their basal levels. These results suggested that, since MRPs might play a pivotal role in the BITC efflux, MK571 potentiates the BITC-induced antiproliferation in human colorectal cancer cells through inhibition of the glutathione-dependent BITC efflux.

DOI： 10.1002/jbt.22791

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Oxalic Acid Mitigates Cadmium Toxicity in Cicer arietinum L. Germinating Seeds by Maintaining the Cellular Redox Homeostasis Reviewed International coauthorship International journal

Lamia Sakouhi, Oussama Kharbech, Marouane Ben Massoud, Shintaro Munemasa, Yoshiyuki Murata, Abdelilah Chaoui

Journal of Plant Growth Regulation 41 ( 2 ) 697 - 709 2021.2

Comparative effects of ascobin and glutathione on copper homeostasis and oxidative stress metabolism in mitigation of copper toxicity in rice Reviewed International coauthorship International journal

M. Tahjib‐Ul‐Arif, A. A. M. Sohag, M. G. Mostofa, M. A. S. Polash, A. G. M. S. U. Mahamud, S. Afrin, M. A. Hossain, M. A. Hossain, Y. Murata, L.‐S. P. Tran

Plant Biology 23 ( S1 ) 162 - 169 2021.1

Language：English Publishing type：Research paper (scientific journal) Publisher：Wiley

Abstract

Copper (Cu) pollution of agricultural land is a major threat to crop production. Exogenous chemical treatment is an easily accessible and rapid approach to remediate metal toxicity, including Cu toxicity in plants.

We compared the effects of ascobin (ASC; ascorbic acid:citric acid at 2:1) and glutathione (GSH) in mitigation of Cu toxicity in rice.

Plants subjected to Cu stress displayed growth inhibition and biomass reduction, which were connected to reduced levels of chlorophylls, RWC, total phenolic compounds, carotenoids and Mg²⁺. Increased accumulation of ROS and malondialdehyde indicated oxidative stress in Cu‐stressed plants. However, application of ASC or GSH minimized the inhibitory effects of Cu stress on rice plants by restricting Cu²⁺ uptake and improving mineral balance, chlorophyll content and RWC. Both ASC and GSH pretreatments reduced levels of ROS and malondialdehyde and improved activities of antioxidant enzymes, suggesting their roles in alleviating oxidative damage. A comparison on the effects of ASC and GSH under Cu stress revealed that ASC was more effective in restricting Cu²⁺ accumulation (69.5% by ASC and 57.1% by GSH), Ca²⁺ and Mg²⁺ homeostasis, protection of photosynthetic pigments and activation of antioxidant defence mechanisms [catalase (110.4%), ascorbate peroxidase (76.5%) and guaiacol peroxidase (39.0%) by ASC, and catalase (58.9%) and ascorbate peroxidase (59.9%) by GSH] in rice than GSH, eventually resulting in better protection of ASC‐pretreated plants against Cu stress.

In conclusion, although ASC and GSH differed in induction of stress protective mechanisms, both were effective in improving rice performance in response to Cu phytotoxicity.

DOI： 10.1111/plb.13222

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Other Link： https://onlinelibrary.wiley.com/doi/full-xml/10.1111/plb.13222

Chitosan-Mediated Salt Stress Mitigation in Rice by Enhancing Antioxidant Defense System Reviewed International coauthorship International journal

Md Khaleduzzaman, Mohammad Hossain, Muhammad Bhuiyan, Sakil Mahmud, Md Arif, Yoshiyuki Murata

Fundamental and Applied Agriculture 1 - 1 2021

ELEVATION OF CYTOSOLIC CALCIUM IN GUARD CELLS Invited International coauthorship

Md. TAHJIB-UL-ARIF, Shintaro MUNEMASA, Yoshiyuki MURATA

Journal of Environmental Science for Sustainable Society 10 ( Supplement ) MR02_p5 - MR02_p8 2021

Exogenously applied proline modulates drought tolerance in maize (Zea mays L) Reviewed International coauthorship International journal

International Journal of Plant & Soil Science 33 ( 19 ) 198 - 212 2021

INVOLVEMENT OF GLUTATHIONE IN ABSCISIC ACID SIGNALING AND METHYL JASMONATE SIGNALING IN GUARD CELLS International coauthorship

Akter FAHMIDA, Shintaro MUNEMASA, Yoshiyuki MURATA

Journal of Environmental Science for Sustainable Society 10 ( Supplement ) MR03_p9 - MR03_p12 2021

Stomatal response to isothiocyanates in Arabidopsis thaliana. Reviewed International coauthorship International journal

Sonya Afrin, Eiji Okuma, Md Tahjib-Ul-Arif, Md Sarwar Jahan, Toshiyuki Nakamura, Yoshimasa Nakamura, Shintaro Munemasa, Yoshiyuki Murata

Journal of experimental botany 71 ( 22 ) 6921 - 6931 2020.12

Language：English Publishing type：Research paper (scientific journal)

Allyl isothiocyanate (AITC) induces stomatal closure accompanied by reactive oxygen species (ROS) production and glutathione (GSH) depletion in Arabidopsis thaliana. In this study, stomatal responses to three other isothiocyanates (ITCs), benzyl isothiocyanate (BITC), sulforaphane (SFN), and phenethyl isothiocyanate (PEITC), were investigated in A. thaliana. All these ITCs significantly induced stomatal closure, where PEITC and BITC were most effective. The selected ITCs also induced ROS accumulation, cytosolic alkalization, and GSH depletion in guard cells. Moreover, all ITCs increased the frequency of cytosolic free calcium ([Ca2+]cyt) spikes (transient elevation), while PEITC and BITC showed the highest frequency. There was a strong positive correlation between the number of [Ca2+]cyt spikes per guard cell and the decrease in stomatal aperture. Both cytosolic alkalization and GSH content have a positive correlation with the decrease in stomatal aperture, but ROS production did not have a significant correlation with the decrease in stomatal apertures. These results indicate that the molecules with a functional ITC group induce stomatal closure that is accompanied by GSH depletion, cytosolic alkalization, [Ca2+]cyt spikes, and ROS production, and that the former three cellular events, rather than ROS production, are highly correlated with the decrease in stomatal aperture.

DOI： 10.1093/jxb/eraa420

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Seed Priming with Phytohormones: An Effective Approach for the Mitigation of Abiotic Stress. Reviewed International coauthorship International journal

Mohammad Saidur Rhaman, Shahin Imran, Farjana Rauf, Mousumi Khatun, Carol C Baskin, Yoshiyuki Murata, Mirza Hasanuzzaman

Plants (Basel, Switzerland) 10 ( 1 ) 2020.12

Language：English Publishing type：Research paper (scientific journal)

Plants are often exposed to abiotic stresses such as drought, salinity, heat, cold, and heavy metals that induce complex responses, which result in reduced growth as well as crop yield. Phytohormones are well known for their regulatory role in plant growth and development, and they serve as important chemical messengers, allowing plants to function during exposure to various stresses. Seed priming is a physiological technique involving seed hydration and drying to improve metabolic processes prior to germination, thereby increasing the percentage and rate of germination and improving seedling growth and crop yield under normal and various biotic and abiotic stresses. Seed priming allows plants to obtain an enhanced capacity for rapidly and effectively combating different stresses. Thus, seed priming with phytohormones has emerged as an important tool for mitigating the effects of abiotic stress. Therefore, this review discusses the potential role of priming with phytohormones to mitigate the harmful effects of abiotic stresses, possible mechanisms for how mitigation is accomplished, and roles of priming on the enhancement of crop production.

DOI： 10.3390/plants10010037

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Seed Priming with Phytohormones: An Effective Approach for the Mitigation of Abiotic Stress Reviewed International coauthorship International journal

Mohammad Saidur Rhaman, Shahin Imran, Farjana Rauf, Mousumi Khatun, Carol C. Baskin, Yoshiyuki Murata, Mirza Hasanuzzaman

Plants 2020.12

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