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110篇 您的检索式:作者名="SHABALA"
    题名 作者 年代 出处 被引量
1Mechanisms of Plant Responses and Adaptation to Soil Salinity显示文摘Soil salinity is a major environmental stress that restricts the growth and yield of crops.Understanding the physiological,metabolic,and biochemical responses of plants to salt stress and mining the salt tolerance-associated genetic resource in nature will be extremely important for us to cultivate salt-tolerant crops.In this review,we provide a comprehensive summary of the mechanisms of salt stress responses in plants,including salt stress-triggered physiological responses,oxidative stress,salt stress sensing and signaling pathways,organellar stress,ion homeostasis,hormonal and gene expression regulation,metabolic changes,as well as salt tolerance mechanisms in halophytes.Important questions regarding salt tolerance that need to be addressed in the future are discussed.Chunzhao Zhao Heng Zhang Chunpeng Song Jian-Kang Zhu Sergey Shabala 2020The Innovation2020,1,1:25
2A high-quality genome assembly of quinoa provides insights into the molecular basis of salt bladder-based salinity tolerance and the exceptional nutritional value显示文摘Changsong Zou Aojun Chen Lihong Xiao Heike M Muller Peter Ache Georg Haberer Meiling Zhang Wei Jia Ping Deng Ru Huang Daniel Lang Feng Li Dongliang Zhan Xiangyun Wu Hui Zhang Jennifer Bohm Renyi Liu Sergey Shabala Rainer Hedrich Jian-Kang Zhu Heng Zhang 2017Cell Research2017,27,11:22
3Molecular mechanisms of salinity tolerance in rice显示文摘Salinity is one of the major abiotic stresses which impose constraints to plant growth and production.Rice(Oryza sativa L.)is one of the most important staple food crops and a model monocot plant.Its production is expanding into regions that are affected by soil salinity,requiring cultivars more tolerant to saline conditions.Understanding the molecular mechanisms of such tolerance could lay a foundation for varietal improvement of salt tolerance in rice.In spite of extensive studies exploring the mechanism of salt tolerance,there has been limited progress in breeding for increased salinity tolerance.In this review,we summarize the information about the major molecular mechanisms underlying salinity tolerance in rice and further discuss the limitations in breeding for salinity tolerance.We show that numerous gene families and interaction networks are involved in the regulation of rice responses to salinity,prompting a need for a comprehensive functional analysis.We also show that most studies are based on whole-plant level analyses with only a few reports focused on tissue-and/or cell-specific gene expression.More details of salt-responsive channel and transporter activities at tissue-and cell-specific level still need to be documented before these traits can be incorporated into elite rice germplasm.Thus,future studies should focus on diversity of available genetic resources and,particular,wild rice relatives,to reincorporate salinity tolerance traits lost during domestication.Tianxiao Chen Sergey Shabala Yanan Niu Zhong-Hua Chen Lana Shabala Holger Meinke Gayatri Venkataraman Ashwani Pareek Jianlong Xu Meixue Zhou 2021The Crop Journal2021,9,3:11
4K^+ retention in leaf mesophyll, an overlooked component of salinity tolerance mechanism:A case study for barley显示文摘Plant salinity tolerance is a physiologically complex trait, with numerous mechanisms contributing to it. In this work,we show that the ability of leaf mesophyll to retain Kt represents an important and essentially overlooked component of a salinity tolerance mechanism. The strong positive correlation between mesophyll Ktretention ability under saline conditions(quantified by the magnitude of Na Cl-induced Kt efflux from mesophyll) and the overall salinity tolerance(relative fresh weight and/or survival or damage under salinity stress) was found while screening 46 barley(Hordeum vulgare L.) genotypes contrasting in their salinity tolerance. Genotypes with intrinsically higher leaf Ktcontent under control conditions were found to possess better Ktretention ability under salinity and, hence, overall higher tolerance. Contrary to previous reports for barley roots, Ktretention in mesophyll was not associated with an increased Ht-pumping in tolerant varieties but instead correlated negatively with this trait. These findingsare explained by the fact that increased Htextrusion may be needed to charge balance the activity and provide the driving force for the high affinity HAK/KUP Kttransporters required to restore cytosolic Kthomeostasis in salt-sensitive genotypes.Honghong Wu Min Zhu Lana Shabala Meixue Zhou Sergey Shabala 2015Journal of Integrative Plant Biology2015,57,2:7
5Transport Across Chloroplast Membranes: Optimizing Photosynthesis for Adverse Environmental Conditions显示文摘叶绿体对太阳的轻收获和光合作用中央。最佳的叶绿体工作极其依赖于在 cytosol 和基质之间的代谢物和离子的很集中的交通,并且应该为不利环境条件被调音。这被在象 porines,溶质隧道,离子特定的阳离子和阴离子隧道,和各种各样的主要、第二等的活跃运输系统那样的叶绿体膜定位的许多运输系统的一条安排规定完成。在这评论,我们描述分子的性质和内部、外部的信封和 thylakoid 膜隧道和 transporters 的功能的性质。我们然后讨论他们的安排规定怎么影响 thylakoid 结构,电子运输和刺激精力转移,质子动机力量分区,离子动态平衡, stromal pH 规定,和体积规定。我们在叶绿体与压力特定的发信号的进程连接关键阳离子和阴离子运输系统的活动,并且讨论这些信号怎么交往,信号在另外的细胞器产生了优化房间性能,与 Ca 2+ 并且反应的氧种类发信号上的一个特殊重音。Igor Pottosin Sergey Shabala 2016Molecular Plant2016,9,3:3
6Venus Flytrap HKT1-Type Channel Provides for Prey Sodium Uptake into Carnivorous Plant Without Conflicting with Electrical Excitability显示文摘J. Bohm S. Scherzer S. Shabala E. Krol E. Neher T.D. Mueller R. Hedrich 2016Molecular Plant2016,9,3:2
7Hypoxia-induced increase in GABA content is essential for restoration of membrane potential and preventing ROS-induced disturbance to ion homeostasis显示文摘When plants are exposed to hypoxic conditions,the level of g-aminobutyric acid(GABA)in plant tissues increases by several orders of magnitude.The physiological rationale behind this elevation remains largely unanswered.By combining genetic and electrophysiological approach,in this work we show that hypoxia-induced increase in GABA content is essential for restoration of membrane potential and preventing ROS-induced disturbance to cytosolic K+homeostasis and Ca^(2+)signaling.We show that reduced O_(2) availability affects H+-ATPase pumping activity,leading to membrane depolarization and K+loss via outward-rectifying GORK channels.Hypoxia stress also results in H_(2)O_(2) accumulation in the cell that activates ROS-inducible Ca^(2+)uptake channels and triggers self-amplifying'ROS-Ca hub,'further exacerbating K^(+)loss via non-selective cation channels that results in the loss of the cell’s viability.Hypoxia-induced elevation in the GABA level may restore membrane potential by pH-dependent regulation of H^(+)-ATPase and/or by generating more energy through the activation of the GABA shunt pathway and TCA cycle.Elevated GABA can also provide better control of the ROS-Ca^(2+)hub by transcriptional control of RBOH genes thus preventing over-excessive H_(2)O_(2) accumulation.Finally,GABA can operate as a ligand directly controlling the open probability and conductance of K+efflux GORK channels,thus enabling plants adaptation to hypoxic conditions.Qi Wu Nana Su Xin Huang Jin Cui Lana Shabala Meixue Zhou Min Yu Sergey Shabala 2021Plant Communications2021,2,3:2
8Calcium efflux systems in stress signaling and adaptation in plants 显示文摘Bose J Pottosin I I Shabala S S 2011Front Plant Sci2011,2,:1
9Barley responses to combined waterlogging and salinity stress: separating effects of oxygen deprivation and elemental toxicity 显示文摘Zeng F Shabala L Zhou M 2013Frontiers in Plant Science2013,4,:1
10Salinity effect on bioelectrie activity, growth, Na^+ accumulation and chlorophyll fluorescence of maize leaves : a comparative survey and prospects for screening显示文摘SHABALAA S N SHABALA S I MARTYNENKO A I 1998Australian Journal of Plant Physiology1998,25,:1
11Amino acids regulate salinity-induced potassium efflux in barley root epidermis 显示文摘Cuin T A Shabala S 2007Planta2007,225,:1
12Salinity effect on bioelectric activity growth Na+ accumulation and chlorophyll fluorescence of com leaves: a comparison survey and prospects for screening 显示文摘Shabala SN Shabala SI Martynenko AI 1998Aust J Plant Physiol1998,25,5:1
13Exogenously supplied compatible solutes rap- idly ameliorate NaCl-induced potassium efflux from barely roots 显示文摘Cuin T A Shabala S 2005Plant Cell Physiology2005,46,:1
14Compatible solutes reduce ROS-induced po- tassium efflux in Arabidopsis roots 显示文摘Cuin T A Shabala S 2007Plant Cell and Environ- ment2007,30,:1
15Salinity effect on the activity of plasma membrane H ~ and Ca2 ~ transporters in bean leaf mesophyll: Masking role of the cell wall 显示文摘Shabala S Newman I 2000Annals of Botany2000,85,:1
16Combining ability of salt tolerance on the basis of NaCl induced K+ flux from roots of barley显示文摘CHEN Z SHABALA S Mendham N J 2008Crop Science2008,48,:1
17Screening methods for waterlogging tolerance in Lucerne: comparative analysis of waterlogging effects on chlorophyll fluorescence, photosynthesis, biomass and chlorophyll content显示文摘Christiane F Smethurst Sergey Shabala 2003Functional Plant Biology2003,30,:1
18Overcoming the problem of non-ideal liquid ion exchanger selectivity in microelectrode ion flux measurements显示文摘Knowles A Shabala S 2004J Membrane Biol2004,202,1:1
19Protoplast Ion Fluxes:Their Measurement and Variation with Time,Osition and Osmoticum显示文摘Shabala S Newman I Whittington J 1998Planta1998,204,:1
20Nutritional and chlorophyll fluorescence responses of lucerne (Medicago sativa ) to waterlogging and subsequent recovery显示文摘SMETHURST C F GARNETT T SHABALA S 2005Plant and Soil2005,270,:1
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