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Plant Cell Reports

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https://www.readbyqxmd.com/read/29340787/a-profilin-gene-promoter-from-switchgrass-panicum-virgatum-l-directs-strong-and-specific-transgene-expression-to-vascular-bundles-in-rice
#1
Wenzhi Xu, Wusheng Liu, Rongjian Ye, Mitra Mazarei, Debao Huang, Xinquan Zhang, C Neal Stewart
A switchgrass vascular tissue-specific promoter (PvPfn2) and its 5'-end serial deletions drive high levels of vascular bundle transgene expression in transgenic rice. Constitutive promoters are widely used for crop genetic engineering, which can result in multiple off-target effects, including suboptimal growth and epigenetic gene silencing. These problems can be potentially avoided using tissue-specific promoters for targeted transgene expression. One particularly urgent need for targeted cell wall modification in bioenergy crops, such as switchgrass (Panicum virgatum L...
January 17, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/29340786/in-silico-identification-and-experimental-validation-of-amino-acid-motifs-required-for-the-rho-of-plants-gtpase-mediated-activation-of-receptor-like-cytoplasmic-kinases
#2
Dézi Bianka Lajkó, Ildikó Valkai, Mónika Domoki, Dalma Ménesi, Györgyi Ferenc, Ferhan Ayaydin, Attila Fehér
Several amino acid motifs required for Rop-dependent activity were found to form a common surface on RLCKVI_A kinases. This indicates a unique mechanism for Rho-type GTPase-mediated kinase activation in plants. Rho-of-plants (Rop) G-proteins are implicated in the regulation of various cellular processes, including cell growth, cell polarity, hormonal and pathogen responses. Our knowledge about the signalling pathways downstream of Rops is continuously increasing. However, there are still substantial gaps in this knowledge...
January 16, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/29340785/nitric-oxide-acts-downstream-of-abscisic-acid-in-molybdenum-induced-oxidative-tolerance-in-wheat
#3
Songwei Wu, Chengxiao Hu, Qiling Tan, Xiaohu Zhao, Shoujun Xu, Yitao Xia, Xuecheng Sun
Our study first reveals that Mo mediates oxidative tolerance through ABA signaling. Moreover, NO acts downstream of ABA signaling in Mo-induced oxidative tolerance in wheat under drought stress. Nitric oxide (NO) is related to the improvement of molybdenum (Mo)-induced oxidative tolerance. While the function of Mo in abscisic acid (ABA) synthesis and in mediating oxidative tolerance by the interaction of ABA and NO remain to be studied. The -Mo and +Mo treatment-cultivated wheat was separated and subsequently was pretreated with AO inhibitor, ABA synthesis inhibitor, exogenous ABA, NO scavenger, NO donor or their combinations under polyethylene glycol 6000 (PEG)-stimulated drought stress (PSD)...
January 16, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/29335788/over-expression-of-a-grafting-responsive-gene-from-hickory-increases-abiotic-stress-tolerance-in-arabidopsis
#4
R M Saravana Kumar, Guocun Ji, Haipeng Guo, Liang Zhao, Bingsong Zheng
A grafting response gene CcPIP1;2 was cloned from hickory plant, further functional characterization of the gene for water transport activity and abiotic stress tolerances were carried out through heterologous expression in Xenopus and Arabidopsis. Plasma membrane intrinsic proteins (PIPs) are multifunctional channel proteins belonging to the membrane intrinsic protein (MIP) family. In this study, a grafting-responsive gene from hickory (CcPIP1;2) was cloned and functionally characterized. Application of non-selective water inhibitors (HgCl2 and phloretin) led to the death of grafted hickory plants at 30 days after grafting (DAG)...
January 15, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/29333573/simultaneous-site-directed-mutagenesis-of-duplicated-loci-in-soybean-using-a-single-guide-rna
#5
Yuhei Kanazashi, Aya Hirose, Ippei Takahashi, Masafumi Mikami, Masaki Endo, Sakiko Hirose, Seiichi Toki, Akito Kaga, Ken Naito, Masao Ishimoto, Jun Abe, Tetsuya Yamada
Using a gRNA and Agrobacterium-mediated transformation, we performed simultaneous site-directed mutagenesis of two GmPPD loci in soybean. Mutations in GmPPD loci were confirmed in at least 33% of T2 seeds. The clustered regularly interspaced short palindromic repeat (CRISPR)/CRISPR-associated endonuclease 9 (Cas9) system is a powerful tool for site-directed mutagenesis in crops. Using a single guide RNA (gRNA) and Agrobacterium-mediated transformation, we performed simultaneous site-directed mutagenesis of two homoeologous loci in soybean (Glycine max), GmPPD1 and GmPPD2, which encode the orthologs of Arabidopsis thaliana PEAPOD (PPD)...
January 15, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/29332168/efficient-crispr-cas9-based-genome-editing-in-carrot-cells
#6
Magdalena Klimek-Chodacka, Tomasz Oleszkiewicz, Levi G Lowder, Yiping Qi, Rafal Baranski
The first report presenting successful and efficient carrot genome editing using CRISPR/Cas9 system. Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)/CRISPR-associated (Cas9) is a powerful genome editing tool that has been widely adopted in model organisms recently, but has not been used in carrot-a model species for in vitro culture studies and an important health-promoting crop grown worldwide. In this study, for the first time, we report application of the CRISPR/Cas9 system for efficient targeted mutagenesis of the carrot genome...
January 13, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/29332167/non-coding-rnas-and-plant-male-sterility-current-knowledge-and-future-prospects
#7
REVIEW
Ankita Mishra, Abhishek Bohra
Latest outcomes assign functional role to non-coding (nc) RNA molecules in regulatory networks that confer male sterility to plants. Male sterility in plants offers great opportunity for improving crop performance through application of hybrid technology. In this respect, cytoplasmic male sterility (CMS) and sterility induced by photoperiod (PGMS)/temperature (TGMS) have greatly facilitated development of high-yielding hybrids in crops. Participation of non-coding (nc) RNA molecules in plant reproductive development is increasingly becoming evident...
January 13, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/29327217/cryobiotechnology-of-apple-malus-spp-development-progress-and-future-prospects
#8
REVIEW
Min-Rui Wang, Long Chen, Jaime A Teixeira da Silva, Gayle M Volk, Qiao-Chun Wang
Cryopreservation provides valuable genes for further breeding of elite cultivars, and cryotherapy improves the production of virus-free plants in Malus spp., thus assisting the sustainable development of the apple industry. Apple (Malus spp.) is one of the most economically important temperate fruit crops. Wild Malus genetic resources and existing cultivars provide valuable genes for breeding new elite cultivars and rootstocks through traditional and biotechnological breeding programs. These valuable genes include those resistant to abiotic factors such as drought and salinity, and to biotic factors such as fungi, bacteria and aphids...
January 11, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/29322237/genome-wide-association-study-of-cold-tolerance-of-chinese-indica-rice-varieties-at-the-bud-burst-stage
#9
Mengchen Zhang, Jing Ye, Qun Xu, Yue Feng, Xiaoping Yuan, Hanyong Yu, Yiping Wang, Xinghua Wei, Yaolong Yang
A region containing three genes on chromosome 1 of indica rice was associated with cold tolerance at the bud burst stage; these results may be useful for breeding cold-tolerant lines. Low temperature at the bud burst stage is one of the major abiotic stresses limiting rice growth, especially in regions where rice seeds are sown directly. In this study, we investigated cold tolerance of rice at the bud burst stage and conducted a genome-wide association study (GWAS) based on the 5K rice array of 249 indica rice varieties widely distributed in China...
January 10, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/29318384/small-but-powerful-function-of-micrornas-in-plant-development
#10
REVIEW
Haiping Liu, Hongyang Yu, Guiliang Tang, Tengbo Huang
MicroRNAs (miRNAs) are a group of endogenous noncoding small RNAs frequently 21 nucleotides long. miRNAs act as negative regulators of their target genes through sequence-specific mRNA cleavage, translational repression, or chromatin modifications. Alterations of the expression of a miRNA or its targets often result in a variety of morphological and physiological abnormalities, suggesting the strong impact of miRNAs on plant development. Here, we review the recent advances on the functional studies of plant miRNAs...
January 9, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/29307003/nacl-induced-expression-of-atvha-c5-gene-in-the-roots-plays-a-role-in-response-of-arabidopsis-to-salt-stress
#11
Aimin Zhou, Enhui Liu, Hongping Ma, Shuang Feng, Shufang Gong, Jingang Wang
Suppression of AtVHA-c5 expression results in changes in H+ and Na+ fluxes of roots, and increase sensitivity to salt in Arabidopsis. Vacuolar-type H+-ATPase (V-ATPase), a multisubunit endomembrane proton pump, is essential in plant growth and response to environmental stresses. In the present study, the function of Arabidopsis V-ATPase subunit c5 (AtVHA-c5) gene in response to salt stress was investigated. Subcellular localization showed that AtVHA-c5 was mainly localized to endosomes and the vacuolar membrane in Arabidopsis...
January 6, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/29290008/comparative-transcriptome-analysis-of-two-citrus-germplasms-with-contrasting-susceptibility-to-phytophthora-nicotianae-provides-new-insights-into-tolerance-mechanisms
#12
Arwa Ajengui, Edoardo Bertolini, Angela Ligorio, Samir Chebil, Antonio Ippolito, Simona Marianna Sanzani
Host perception of Phytophthora nicotianae switching to necrotrophy is fundamental for disease tolerance of citrus. It involves an HR-like response, strengthening of the cell wall structure and hormonal signaling. Stem rot caused by P. nicotianae is a worldwide disease of several important crops, including citrus. Given the growing awareness of chemical fungicides drawbacks, genetic improvement of citrus rootstocks remains the best alternative. However, the molecular basis underlying the successful response of resistant and/or tolerant genotypes remains poorly understood...
December 30, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/29270823/phalaenopsis-flowering-locus-ve-regulates-floral-organ-maturation
#13
Kah Wee Koh, Shu-Hong Lee, Ho-Ku Chen, Chia-Yen Chang, Ming-Tsair Chan
PaFVE is low ambient temperature-inducible and acts as a systemic regulator in the early stage of floral development in Phalaenopsis. Phalaenopsis aphrodite: subsp. formosana, a native orchid species of Taiwan, is an economically important ornamental crop that requires low ambient temperature for floral transition. Currently, limited genetic information about such orchid species hampers genetic manipulation for specific or improved floral traits, and the control of flowering time independent of temperature regulation...
December 21, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/29247292/enhanced-multiple-stress-tolerance-in-arabidopsis-by-overexpression-of-the-polar-moss-peptidyl-prolyl-isomerase-fkbp12-gene
#14
Hemasundar Alavilli, Hyoungseok Lee, Mira Park, Dae-Jin Yun, Byeong-Ha Lee
PaFKBP12 overexpression in Arabidopsis resulted in stress tolerance to heat, ABA, drought, and salt stress, in addition to growth promotion under normal conditions. Polytrichastrum alpinum (alpine haircap moss) is one of polar organisms that can withstand the severe conditions of the Antarctic. In this study, we report the isolation of a peptidyl prolyl isomerase FKBP12 gene (PaFKBP12) from P. alpinum collected in the Antarctic and its functional implications in development and stress responses in plants. In P...
December 15, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/29214380/differential-expression-of-gibberellin-and-abscisic-acid-related-genes-implies-their-roles-in-the-bud-activity-dormancy-transition-of-tea-plants
#15
Chuan Yue, Hongli Cao, Xinyuan Hao, Jianming Zeng, Wenjun Qian, Yuqiong Guo, Naixing Ye, Yajun Yang, Xinchao Wang
Thirty genes involved in GA and ABA metabolism and signalling were identified, and the expression profiles indicated that they play crucial roles in the bud activity-dormancy transition in tea plants. Gibberellin (GA) and abscisic acid (ABA) are fundamental phytohormones that extensively regulate plant growth and development, especially bud dormancy and sprouting transition in perennial plants. However, there is little information on GA- and ABA-related genes and their expression profiles during the activity-dormancy transition in tea plants...
December 6, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/29188422/climbing-plants-attachment-adaptations-and-bioinspired-innovations
#16
REVIEW
Jason N Burris, Scott C Lenaghan, C Neal Stewart
Climbing plants have unique adaptations to enable them to compete for sunlight, for which they invest minimal resources for vertical growth. Indeed, their stems bear relatively little weight, as they traverse their host substrates skyward. Climbers possess high tensile strength and flexibility, which allows them to utilize natural and manmade structures for support and growth. The climbing strategies of plants have intrigued scientists for centuries, yet our understanding about biochemical adaptations and their molecular undergirding is still in the early stages of research...
November 29, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/29177846/open-glume1-a-key-enzyme-reducing-the-precursor-of-ja-participates-in-carbohydrate-transport-of-lodicules-during-anthesis-in-rice
#17
Xiaohui Li, Yihua Wang, Erchao Duan, Qi Qi, Kunneng Zhou, Qiuyun Lin, Di Wang, Yunlong Wang, Wuhua Long, Zhigang Zhao, Zhijun Cheng, Cailin Lei, Xin Zhang, Xiuping Guo, Jiulin Wang, Chuanyin Wu, Ling Jiang, Chunming Wang, Jianmin Wan
OG1 is involved in JA-regulated anthesis by modulating carbohydrate transport of lodicules in rice. Flowering plants have evolved a sophisticated regulatory network to coordinate anthesis and maximize reproductive success. In addition to various environmental conditions, the plant hormone jasmonic acid and its derivatives (JAs) are involved in anthesis. However, the underlying mechanism remains largely unexplored. Here, we report a JA-defective mutant in rice (Oryza sativa), namely open glume 1, which has dysfunctional lodicules that lead to open glumes following anthesis...
November 25, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/29177845/regulation-of-gaseous-signaling-molecules-on-proline-metabolism-in-plants
#18
REVIEW
Huyi He, Long-Fei He
Proline accumulation plays an important role in the response and adaptation of plants to abiotic stress. Gaseous signaling molecules such as nitric oxide (NO), carbon monoxide (CO), and hydrogen sulfide (H2S) are involved in complicated events of cell signaling. However, the regulatory mechanisms of gaseous signaling molecules on proline synthesis and degradation are still unclear. This review summarized the biosynthesis and degradation of proline. The role of gaseous signaling molecules and their cross-talk on proline metabolic regulation in plants was discussed along with the future perspectives...
November 25, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/29177844/analysis-of-major-paralogs-encoding-the-fra-a-1-allergen-based-on-their-organ-specificity-in-fragaria%C3%A2-%C3%A3-%C3%A2-ananassa
#19
Misaki Ishibashi, Takeshi Nabe, Yoko Nitta, Hiroki Tsuruta, Miho Iduhara, Yuichi Uno
Fra a 1 protein in strawberry causes oral allergic syndrome. Over 39 Fra a 1 paralogs have been identified in strawberry genome. Fra a 1.01 is major accumulating protein in edible organs. Strawberry fruits contain allergenic proteins that cause oral allergic syndrome. The hypothesized major allergen is Fra a 1, an ortholog of the birch pollen allergen protein Bet v 1. We organized Fra a 1 genes and analyzed their localizations at the transcriptional and translational levels. In total, 15 new Fra a 1 proteins were identified from the genomic database, increasing the total number of Fra a 1 to 30 proteins encoded by 39 genes...
November 25, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/29164313/genome-wide-analysis-of-a-recently-active-retrotransposon-au-sine-in-wheat-content-distribution-within-subgenomes-and-chromosomes-and-gene-associations
#20
Danielle Keidar, Chen Doron, Khalil Kashkush
Here, we show that Au SINE elements have strong associations with protein-coding genes in wheat. Most importantly Au SINE insertion within introns causes allelic variation and might induce intron retention. The impact of transposable elements (TEs) on genome structure and function is intensively studied in eukaryotes, especially in plants where TEs can reach up to 90% of the genome in some cases, such as in wheat. Here, we have performed a genome-wide in-silico analysis using the updated publicly available genome draft of bread wheat (T...
November 21, 2017: Plant Cell Reports
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