In Figure 7B and Supplemental Figure 10, showing BiFC-based interaction between NFR1 and RGS proteins, some of the images were inadvertently duplicated (i.e., the same representative image was used for showing different interaction combinations). In addition, images from experiments performed at different time points were assembled in one panel, which had affected the contrast and brightness in certain cases. To address these discrepancies, we have included all images taken in a single experiment in the assembled panels for both the figures. The corrected figures are presented below.
{"title":"CORRECTION.","authors":"","doi":"10.1105/tpc.19.00268","DOIUrl":"https://doi.org/10.1105/tpc.19.00268","url":null,"abstract":"In Figure 7B and Supplemental Figure 10, showing BiFC-based interaction between NFR1 and RGS proteins, some of the images were inadvertently duplicated (i.e., the same representative image was used for showing different interaction combinations). In addition, images from experiments performed at different time points were assembled in one panel, which had affected the contrast and brightness in certain cases. To address these discrepancies, we have included all images taken in a single experiment in the assembled panels for both the figures. The corrected figures are presented below.","PeriodicalId":22905,"journal":{"name":"The Plant Cell Online","volume":"39 1","pages":"2541-2543"},"PeriodicalIF":0.0,"publicationDate":"2019-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74539230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Plant Physiology and The Plant Cell announce this month that both journals are now offering a valuable new voluntary service to authors of articles submitted to either journal for review. CrossCheck, a service developed by CrossRef[*][1] and powered by iThenticate[**][2], is software that compares
{"title":"ASPB Journals Launch CrossCheck","authors":"Cathie Martin, Don Ort","doi":"10.1105/tpc.109.211280","DOIUrl":"https://doi.org/10.1105/tpc.109.211280","url":null,"abstract":"Plant Physiology and The Plant Cell announce this month that both journals are now offering a valuable new voluntary service to authors of articles submitted to either journal for review.\u0000\u0000CrossCheck, a service developed by CrossRef[*][1] and powered by iThenticate[**][2], is software that compares","PeriodicalId":22905,"journal":{"name":"The Plant Cell Online","volume":"21 1","pages":"3715 - 3715"},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84456488","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gene duplication, whether genome-wide or local, plays a major role in plant evolution (reviewed in [Flagel and Wendel, 2009][1]). Over the course of evolution, many, perhaps most, duplicate genes (paralogs) are short-lived, losing functionality and ultimately being removed by deletion. However, some
基因复制，无论是全基因组的还是局部的，都在植物进化中发挥着重要作用(综述于[Flagel and Wendel, 2009][1])。在进化过程中，许多，也许是大多数，重复基因(类似物)是短命的，失去功能，最终被删除。然而,一些
{"title":"Functional and Phylogenetic Analysis of the Glutathione Transferase Gene Family in Poplar","authors":"J. Mach, D. Baum","doi":"10.1105/TPC.109.211211","DOIUrl":"https://doi.org/10.1105/TPC.109.211211","url":null,"abstract":"Gene duplication, whether genome-wide or local, plays a major role in plant evolution (reviewed in [Flagel and Wendel, 2009][1]). Over the course of evolution, many, perhaps most, duplicate genes (paralogs) are short-lived, losing functionality and ultimately being removed by deletion. However, some","PeriodicalId":22905,"journal":{"name":"The Plant Cell Online","volume":"136 1","pages":"3716 - 3716"},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77448183","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Chromatin can be modified via DNA methylation and/or histone marks, and these chemical modifications can affect transcription levels. However, evidence is mounting that specific modifications act not as simple positive or negative regulators, but rather in complex combinations whose effects depend
{"title":"Dynamic Histone Modifications in Light-Regulated Gene Expression","authors":"Nancy R. Hofmann","doi":"10.1105/tpc.109.211212","DOIUrl":"https://doi.org/10.1105/tpc.109.211212","url":null,"abstract":"Chromatin can be modified via DNA methylation and/or histone marks, and these chemical modifications can affect transcription levels. However, evidence is mounting that specific modifications act not as simple positive or negative regulators, but rather in complex combinations whose effects depend","PeriodicalId":22905,"journal":{"name":"The Plant Cell Online","volume":"46 1","pages":"3717 - 3717"},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82808513","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
role in biotic and abiotic responses and embryo and floral organ development. The answer, in large part, may lie with cell-specific differences in the expression and activation of various components of the MAPK network under different sets of circumstances. Lampard et al. devised a cell-specific assay for assessing the activity and regulation of MAPK modules in stomatal development based a panel of dominant-negative and constitutively active MAPKK variants expressed in discrete stomatal lineage cell types through the use of cell-type specific promoters. The approach was designed to allow investigation into cell-specific aspects of MAPK signaling without inducing pleiotropic phenotypes, which likely result from ubiquitous activation of MAPK signaling. The authors identified expanded roles for MKK4 and MKK5 in negative regulation of stomatal development and, unexpectedly, uncovered both positive and negative regulatory roles for MKK7 and MKK9 at different stages of stomatal development. MKK7 and MKK9 were found to function in inhibition of the first two stages of stomatal development and in promotion of guard cell proliferation at the terminal stages of stomatal development (see figure). The authors present a model of MAPK control of stomatal development that integrates developmental and environmental cues to offer a reasonable explanation of experimental results and highlight unknown components. This work provides significant insight into regulation of stomatal development and is also of broader significance to our understanding of MAPK networks. It shows that MAPK networks can be dissected by modulating the expression of individual components in specific cell types, in this case stomatal lineage cell types. This cell-specific approach should prove useful for the study of other complex signal transduction pathways as well.
{"title":"Unraveling the MAPK Signaling Network in Stomatal Development","authors":"N. Eckardt","doi":"10.1105/tpc.109.211110","DOIUrl":"https://doi.org/10.1105/tpc.109.211110","url":null,"abstract":"role in biotic and abiotic responses and embryo and floral organ development. The answer, in large part, may lie with cell-specific differences in the expression and activation of various components of the MAPK network under different sets of circumstances. Lampard et al. devised a cell-specific assay for assessing the activity and regulation of MAPK modules in stomatal development based a panel of dominant-negative and constitutively active MAPKK variants expressed in discrete stomatal lineage cell types through the use of cell-type specific promoters. The approach was designed to allow investigation into cell-specific aspects of MAPK signaling without inducing pleiotropic phenotypes, which likely result from ubiquitous activation of MAPK signaling. The authors identified expanded roles for MKK4 and MKK5 in negative regulation of stomatal development and, unexpectedly, uncovered both positive and negative regulatory roles for MKK7 and MKK9 at different stages of stomatal development. MKK7 and MKK9 were found to function in inhibition of the first two stages of stomatal development and in promotion of guard cell proliferation at the terminal stages of stomatal development (see figure). The authors present a model of MAPK control of stomatal development that integrates developmental and environmental cues to offer a reasonable explanation of experimental results and highlight unknown components. This work provides significant insight into regulation of stomatal development and is also of broader significance to our understanding of MAPK networks. It shows that MAPK networks can be dissected by modulating the expression of individual components in specific cell types, in this case stomatal lineage cell types. This cell-specific approach should prove useful for the study of other complex signal transduction pathways as well.","PeriodicalId":22905,"journal":{"name":"The Plant Cell Online","volume":"11 1","pages":"3413 - 3413"},"PeriodicalIF":0.0,"publicationDate":"2009-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91120263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Plants shape themselves in response to environmental conditions, a plasticity that comes in large part from the action of axillary buds. Branching patterns are determined by whether dormancy in a bud is maintained or whether the bud is activated to grow out into a branch (with more axillary buds).
{"title":"Using Hypothesis-Driven Modeling to Understand Branching","authors":"Nancy R. Hofmann","doi":"10.1105/tpc.109.211112","DOIUrl":"https://doi.org/10.1105/tpc.109.211112","url":null,"abstract":"Plants shape themselves in response to environmental conditions, a plasticity that comes in large part from the action of axillary buds. Branching patterns are determined by whether dormancy in a bud is maintained or whether the bud is activated to grow out into a branch (with more axillary buds).","PeriodicalId":22905,"journal":{"name":"The Plant Cell Online","volume":"2010 1","pages":"3415 - 3415"},"PeriodicalIF":0.0,"publicationDate":"2009-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86306567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Circadian clocks synchronize biochemical and physiological processes with diurnal and seasonal light/dark cycles. These internal clocks consist of interlocking feedback loops that result in diurnal oscillations of the activity of a number of core clock components, which are linked to and continually
{"title":"Features of the Circadian Clock in the Picoeukaryote Ostreococcus","authors":"N. Eckardt","doi":"10.1105/tpc.109.211111","DOIUrl":"https://doi.org/10.1105/tpc.109.211111","url":null,"abstract":"Circadian clocks synchronize biochemical and physiological processes with diurnal and seasonal light/dark cycles. These internal clocks consist of interlocking feedback loops that result in diurnal oscillations of the activity of a number of core clock components, which are linked to and continually","PeriodicalId":22905,"journal":{"name":"The Plant Cell Online","volume":"18 1","pages":"3414 - 3414"},"PeriodicalIF":0.0,"publicationDate":"2009-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86012827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Chalcone synthase (CHS) is required for the biosynthesis of anthocyanin pigments that give color to various plant tissues, such as the flower and seed coat. The silencing of CHS genes produces a highly visible phenotype, lack of color in the seed coat or flower, that facilitated the discovery of
{"title":"Tissue-Specific siRNAs That Silence CHS Genes in Soybean","authors":"N. Eckardt","doi":"10.1105/tpc.109.072421","DOIUrl":"https://doi.org/10.1105/tpc.109.072421","url":null,"abstract":"Chalcone synthase (CHS) is required for the biosynthesis of anthocyanin pigments that give color to various plant tissues, such as the flower and seed coat. The silencing of CHS genes produces a highly visible phenotype, lack of color in the seed coat or flower, that facilitated the discovery of","PeriodicalId":22905,"journal":{"name":"The Plant Cell Online","volume":"258 1","pages":"2983 - 2984"},"PeriodicalIF":0.0,"publicationDate":"2009-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77048061","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
show that Srlk is rapidly induced by salt stress in M. truncatula roots, rather than in response to mannitol or cold temperature. Experiments with the Srlk-promoter fused to a b-glucuronidase marker gene showed that Srlk expression is strongly induced in root epidermal cells in response to salt. Repression of Srlk using RNA interference (RNAi) and mutations of Srlk introduced through TILLING prevented the inhibition of root growth under high salt conditions (see figure). In addition, Srlk mutant plants were found to accumulate significantly less sodium than control plants. Finally, several other salt-induced genes showed drastically reduced levels of induction following salt stress in the Srlk mutants relative to controls. RLKs possess an extracellular domain connected via a transmembrane domain to a cytoplasmic kinase. Plants contain hundreds of RLKs, which are thought to have overlapping or distinct roles in perceiving environmental and developmental signals and transducing these signals to downstream effectors (reviewed in Morillo and Tax, 2006). The results of de Lorenzo et al. suggest that Srlk may play a primary role in the perception of salt stress by M. truncatula roots and the ability of the plant to accumulate sodium under high salt conditions. Plant response to high salt and other stresses is highly complex, making genetic modification of plants for improved stress tolerance difficult to achieve (Wang et al., 2003). It will be important to identify downstream signaling partners and target genes of Srlk in the response and adaptation to salt stress. This work opens a new pathway for investigation and enhanced prospects for the development of improved salt tolerance in
结果表明，盐胁迫能快速诱导根内丝氨酸激酶，而不是甘露醇或低温对丝氨酸激酶的响应。将Srlk启动子与b-葡萄糖醛酸酶标记基因融合的实验表明，盐对根表皮细胞的Srlk表达有强烈的诱导作用。通过RNA干扰(RNAi)和TILLING引入的Srlk突变抑制Srlk，阻止了高盐条件下根生长的抑制(见图)。此外，Srlk突变体植株的钠积累量明显低于对照植株。最后，与对照相比，Srlk突变体中其他几个盐诱导基因在盐胁迫下的诱导水平急剧降低。RLKs具有胞外结构域，通过跨膜结构域连接胞质激酶。植物含有数百种RLKs，这些RLKs被认为在感知环境和发育信号并将这些信号转导给下游效应器方面具有重叠或不同的作用(Morillo和Tax, 2006)。de Lorenzo等人的研究结果表明，Srlk可能在M. truncatula根对盐胁迫的感知以及植物在高盐条件下积累钠的能力中起主要作用。植物对高盐和其他胁迫的反应是高度复杂的，因此通过基因改造提高植物的抗逆性是很困难的(Wang et al.， 2003)。确定Srlk的下游信号伙伴和靶基因对盐胁迫的响应和适应具有重要意义。本研究为提高油菜耐盐性开辟了新的研究途径和前景
{"title":"A Receptor-Like Kinase That Functions in Adaptation to Salt Stress in Legumes","authors":"N. Eckardt","doi":"10.1105/tpc.109.210211","DOIUrl":"https://doi.org/10.1105/tpc.109.210211","url":null,"abstract":"show that Srlk is rapidly induced by salt stress in M. truncatula roots, rather than in response to mannitol or cold temperature. Experiments with the Srlk-promoter fused to a b-glucuronidase marker gene showed that Srlk expression is strongly induced in root epidermal cells in response to salt. Repression of Srlk using RNA interference (RNAi) and mutations of Srlk introduced through TILLING prevented the inhibition of root growth under high salt conditions (see figure). In addition, Srlk mutant plants were found to accumulate significantly less sodium than control plants. Finally, several other salt-induced genes showed drastically reduced levels of induction following salt stress in the Srlk mutants relative to controls. RLKs possess an extracellular domain connected via a transmembrane domain to a cytoplasmic kinase. Plants contain hundreds of RLKs, which are thought to have overlapping or distinct roles in perceiving environmental and developmental signals and transducing these signals to downstream effectors (reviewed in Morillo and Tax, 2006). The results of de Lorenzo et al. suggest that Srlk may play a primary role in the perception of salt stress by M. truncatula roots and the ability of the plant to accumulate sodium under high salt conditions. Plant response to high salt and other stresses is highly complex, making genetic modification of plants for improved stress tolerance difficult to achieve (Wang et al., 2003). It will be important to identify downstream signaling partners and target genes of Srlk in the response and adaptation to salt stress. This work opens a new pathway for investigation and enhanced prospects for the development of improved salt tolerance in","PeriodicalId":22905,"journal":{"name":"The Plant Cell Online","volume":"87 1","pages":"364 - 364"},"PeriodicalIF":0.0,"publicationDate":"2009-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77570451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Protein synthesis, folding, and trafficking via the endoplasmic reticulum (ER) is required for a number of important processes in eukaryotic cells, most notably those involving membrane-localized and secreted proteins. The ER is also a critical site of quality control where misfolded proteins not
{"title":"Functional ER Chaperone Required in Rice Blast Disease","authors":"G. Bertoni","doi":"10.1105/tpc.109.210213","DOIUrl":"https://doi.org/10.1105/tpc.109.210213","url":null,"abstract":"Protein synthesis, folding, and trafficking via the endoplasmic reticulum (ER) is required for a number of important processes in eukaryotic cells, most notably those involving membrane-localized and secreted proteins. The ER is also a critical site of quality control where misfolded proteins not","PeriodicalId":22905,"journal":{"name":"The Plant Cell Online","volume":"42 1","pages":"366 - 366"},"PeriodicalIF":0.0,"publicationDate":"2009-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78480014","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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