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https://www.readbyqxmd.com/read/29774046/identification-of-rice-genes-associated-with-enhanced-cold-tolerance-by-comparative-transcriptome-analysis-with-two-transgenic-rice-plants-overexpressing-dacbf4-or-dacbf7-isolated-from-antarctic-flowering-plant-deschampsia-antarctica
#1
Mi Young Byun, Li Hua Cui, Jungeun Lee, Hyun Park, Andosung Lee, Woo Taek Kim, Hyoungseok Lee
Few plant species can survive in Antarctica, the harshest environment for living organisms. Deschampsia antarctica is the only natural grass species to have adapted to and colonized the maritime Antarctic. To investigate the molecular mechanism of the Antarctic adaptation of this plant, we identified and characterized D. antarctica C-repeat binding factor 4 ( DaCBF4 ), which belongs to monocot CBF group IV. The transcript level of DaCBF4 in D. antarctica was markedly increased by cold and dehydration stress...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29764987/rapid-and-dynamic-alternative-splicing-impacts-the-arabidopsis-cold-response-transcriptome
#2
Cristiane P G Calixto, Wenbin Guo, Allan B James, Nikoleta A Tzioutziou, Juan C Entizne, Paige E Panter, Heather Knight, Hugh Nimmo, Runxuan Zhang, John W S Brown
Plants have adapted to tolerate and survive constantly changing environmental conditions by re-programming gene expression. The dynamics of the contribution of alternative splicing (AS) to stress responses are unknown. RNA-sequencing of a time-series of Arabidopsis thaliana plants exposed to cold determines the timing of significant AS changes. This shows a massive and rapid AS response with coincident waves of transcriptional and AS activity occurring in the first few hours of temperature reduction, and further AS throughout the cold...
May 15, 2018: Plant Cell
https://www.readbyqxmd.com/read/29764927/identification-of-genes-related-to-cold-tolerance-and-a-functional-allele-that-confers-cold-tolerance
#3
Ning Xiao, Yong Gao, Huangjun Qian, Qiang Gao, Yunyu Wu, Dongping Zhang, Zhiping Wang, Xiaoxiang Zhang, Ling Yu, Yuhong Li, Cunhong Pan, Guangqing Liu, Changhai Zhou, Min Jiang, Niansheng Huang, Zhuo Chen, Chengzhi Liang, Zhengyuan Dai, Jianmin Chen, Aihong Li
Cold stress is a major factor limiting rice (Oryza sativa L.) production worldwide, especially at the seedling and booting stages. Identification of genes associated with cold tolerance (CT) in rice is important for sustainable food production. Here, we report the results of a genome-wide association study (GWAS) to identify the genetic loci associated with CT by using a 1,033-accession diversity panel. We identified five CT-related genetic loci at the booting stage. Accessions carrying multiple cold-tolerant alleles displayed a higher seed setting rate than did accessions that had no cold-tolerant alleles or carried a single allele...
May 15, 2018: Plant Physiology
https://www.readbyqxmd.com/read/29762476/function-of-the-erfl1a-transcription-factor-in-wheat-responses-to-water-deficiency
#4
Tian Gao, Ge-Zi Li, Chuan-Ren Wang, Jie Dong, Sha-Sha Yuan, Yong-Hua Wang, Guo-Zhang Kang
The APETALA2/ethylene response factor (AP2/ERF) superfamily is involved in the responses of plants to biotic and abiotic stresses; however, the functions and mechanisms of some members of this family in plants are unclear. In our previous study, expression of TaERFL1a , a member of the AP2/ERF family, was remarkably induced in wheat seedlings suffering freezing stress. In this study, we show that its expression was rapidly upregulated in response to salt, cold, and water deficiency, suggesting roles in the responses to abiotic stresses...
May 15, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29758473/genome-wide-analysis-of-poplar-saur-gene-family-and-expression-profiles-under-cold-polyethylene-glycol-and-indole-3-acetic-acid-treatments
#5
Wenfang Hu, Hanwei Yan, Shuangshuang Luo, Feng Pan, Yue Wang, Yan Xiang
Small auxin-up RNA (SAUR) proteins play an important role in the regulation of plant growth and development. Here, we identified 105 SAUR genes and comprehensively analyzed them in Populus trichocarpa. Based on the phylogenetic relationships, the PtSAURs were classified into ten subfamilies. Of the 105 PtSAURs, 100 were randomly distributed along the nineteen chromosomes, while the remaining genes were located along unassigned scafoolds. These genes mainly evolved through segmental duplications. In total, 94 PtSAURs contained no introns, and each group had a similar conserved motif structure...
May 8, 2018: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29758377/global-insights-of-protein-responses-to-cold-stress-in-plants-signaling-defence-and-degradation
#6
Seyyedeh-Sanam Kazemi-Shahandashti, Reza Maali-Amiri
Cold stress (CS) as one of the unfavorable abiotic tensions proceeds different aspects of plant responses. These responses are generated through CS effects on crucial processes such as photosynthesis, energy metabolism, ROS homeostasis, membrane fluidity and cell wall architecture. As a tolerance response, plants apply proteins in various strategies such as transferring the message of cold entrance named as signaling, producing defensive and protective molecules against the stress and degrading some unfavorable or unnecessary proteins to produce other required ones...
May 4, 2018: Journal of Plant Physiology
https://www.readbyqxmd.com/read/29755482/silicon-improves-chilling-tolerance-during-early-growth-of-maize-by-effects-on-micronutrient-homeostasis-and-hormonal-balances
#7
Narges Moradtalab, Markus Weinmann, Frank Walker, Birgit Höglinger, Uwe Ludewig, Guenter Neumann
Low soil temperature in spring is a major constraint for the cultivation of tropical and subtropical crops in temperate climates, associated with inhibition of root growth and activity, affecting early growth and frequently plant performance and final yield. This study was initiated to investigate the physiological base of cold-protective effects induced by supplementation with silicon (Si), widely recommended as a stress-protective mineral nutrient. Maize was used as a cold-sensitive model plant, exposed to chilling stress and low root-zone temperature (RZT) during early growth in a lab to field approach...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29740470/a-glycine-rich-rna-binding-protein-csgr-rbp3-is-involved-in-defense-responses-against-cold-stress-in-harvested-cucumber-cucumis-sativus-l-fruit
#8
Bin Wang, Guang Wang, Fei Shen, Shijiang Zhu
Plant glycine-rich RNA-binding proteins (GR-RBPs) have been shown to play important roles in response to abiotic stresses in actively proliferating organs such as young plants, root tips, and flowers, but their roles in chilling responses of harvested fruit remains largely unknown. Here, we investigated the role of CsGR-RBP3 in the chilling response of cucumber fruit. Pre-storage cold acclimation at 10°C (PsCA) for 3 days significantly enhanced chilling tolerance of cucumber fruit compared with the control fruit that were stored at 5°C...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29735429/molecular-regulation-of-cbf-signaling-in-cold-acclimation
#9
REVIEW
Yiting Shi, Yanglin Ding, Shuhua Yang
Cold stress restricts plant growth, development, and distribution. Understanding how plants transduce and respond to cold signals has long been a topic of interest. Traditional genetic and molecular analyses have identified C-repeat/DREB binding factors (CBFs) as key transcription factors that function in cold acclimation. Recent studies revealed the involvement of pivotal protein kinases and transcription factors in CBF-dependent signaling, expanding our knowledge of cold signal transduction from perception to downstream gene expression events...
May 4, 2018: Trends in Plant Science
https://www.readbyqxmd.com/read/29734723/cold-priming-induced-tolerance-to-subsequent-low-temperature-stress-is-enhanced-by-melatonin-application-during-recovery-in-wheat
#10
Luying Sun, Xiangnan Li, Zongshuai Wang, Zhongwei Sun, Xiancan Zhu, Shengqun Liu, Fengbin Song, Fulai Liu, Yongjun Wang
Cold priming can alleviate the effects of subsequent cold stress on wheat plant growth. Melatonin plays a key role in cold stress response in plants. In this study, the effects of foliar melatonin application during recovery on the cold tolerance of cold primed wheat plants were investigated. It was found that both melatonin and cold priming increased the photosynthetic rate and stomatal conductance, enhanced the activities of antioxidant enzymes, and altered the related gene expressions in wheat under cold stress...
May 4, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29726968/characterization-and-alternative-splicing-profiles-of-lipoxygenase-gene-family-in-tea-plant-camellia-sinensis
#11
Junyan Zhu, Xuewen Wang, Lingxiao Guo, Qingshan Xu, Shiqi Zhao, Fangdong Li, Xiaomei Yan, Shengrui Liu, Chaoling Wei
Oxylipins, including jasmonic acid (JA) and volatiles, are important for signaling in plants, and these are formed by the Lipoxygenases (LOX) enzyme family. There is a large gap in understanding of the underlying molecular basis of their roles in tea plants. Here, we identified eleven CsLOX genes from tea plant (Camellia sinensis), and characterized their phylogeny, gene structure and protein features into three subclasses. We then examined their enzymatic activities, LOX expression and alternative splicing of transcripts during development and in response to abiotic or biotic stresses in tea plants...
May 2, 2018: Plant & Cell Physiology
https://www.readbyqxmd.com/read/29720105/transcriptome-analysis-of-chrysanthemum-dendranthema-grandiflorum-in-response-to-low-temperature-stress
#12
Ke Wang, Zhen-Yu Bai, Qian-Yu Liang, Qing-Lin Liu, Lei Zhang, Yuan-Zhi Pan, Guang-Li Liu, Bei-Bei Jiang, Fan Zhang, Yin Jia
BACKGROUND: Chrysanthemum is one kind of ornamental plant well-known and widely used in the world. However, its quality and production were severely affected by low temperature conditions in winter and early spring periods. Therefore, we used the RNA-Seq platform to perform a de novo transcriptome assembly to analyze chrysanthemum (Dendranthema grandiflorum) transcription response to low temperature. RESULTS: Using Illumina sequencing technology, a total of 86,444,237 high-quality clean reads and 93,837 unigenes were generated from four libraries: T01, controls; T02, 4 °C cold acclimation (CA) for 24 h; T03, - 4 °C freezing treatments for 4 h with prior CA; and T04, - 4 °C freezing treatments for 4 h without prior CA...
May 2, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29719547/heterotrimeric-g-protein-%C3%AE-subunit-csgg3-2-positively-regulates-the-expression-of-cbf-genes-and-chilling-tolerance-in-cucumber
#13
Longqiang Bai, Yumei Liu, Ying Mu, Ali Anwar, Chaoxing He, Yan Yan, Yansu Li, Xianchang Yu
Heterotrimeric guanine nucleotide-binding proteins (G proteins) composed of alpha (Gα), beta (Gβ), and gamma (Gγ) subunits are central signal transducers mediating the cellular response to multiple stimuli, such as cold, in eukaryotes. Plant Gγ subunits, divided into A, B, and C three structurally distinct types, provide proper cellular localization and functional specificity to the heterotrimer complex. Here, we demonstrate that a type C Gγ subunit CsGG3.2 is involved in the regulation of the CBF regulon and plant tolerance to cold stresses in cucumber ( Cucumis sativus L...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29692553/validation-of-reference-genes-for-accurate-normalization-of-gene-expression-with-quantitative-real-time-pcr-in-haloxylon-ammodendron-under-different-abiotic-stresses
#14
Bo Wang, Huihui Du, Zhengpei Yao, Cai Ren, Li Ma, Jiao Wang, Hua Zhang, Hao Ma
Haloxylon ammodendron plays an important role in maintaining the structure and function of the entire ecosystem where it grows. No suitable reference genes have been reported in H. ammodendron plants to date. In this study, a total of 8 reference genes ( 18S , ACT1 , ACT7 , UBC18 , TUA5 , GAPDH , EF - 1α and UBQ10 ) were selected from the available trancriptome database, and the expression stability of these 8 candidate genes was validated under different abiotic stress with three different statistical algorithms (geNorm, NormFinder and BestKeeper)...
May 2018: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29684441/cloning-and-characterization-of-apcystatin-a-plant-cystatin-gene-from-agapanthus-praecox-ssp-orientalis-responds-to-abiotic-stress
#15
Guan-Qun Chen, Di Zhang, Xiao-Hui Shen
Plant cystatins are involved in the regulation of protein turnover and play important roles in defense mechanisms. We cloned the ApCystatin gene from Agapanthus praecox ssp. orientalis, a famous ornamental and medical plant. The complete cDNA sequence of ApCystatin is comprised of 1446 nucleotides with a 420 bp ORF encoding 140 amino acids. The mRNA level of ApCystatin was significantly up-regulated under various abiotic stress, such as salt, osmosis, oxidative and cold stresses, which suggested that ApCystatin participated in the plant's resistance to stress...
April 20, 2018: Protein Expression and Purification
https://www.readbyqxmd.com/read/29667328/insights-into-the-regulation-of-cbf-cold-signaling-in-plants
#16
REVIEW
Jingyan Liu, Yiting Shi, Shuhua Yang
Cold temperatures, a major abiotic stress, threaten the growth and development of plants worldwide. To cope with this adverse environmental cue, plants from temperate climates have evolved an array of sophisticated mechanisms to acclimate to cold periods, increasing their ability to tolerate freezing stress. Over the last decade, significant progress has been made in determining the molecular mechanisms underpinning cold acclimation following the identification of several pivotal components, including candidates for cold sensors, protein kinases, and transcription factors...
April 18, 2018: Journal of Integrative Plant Biology
https://www.readbyqxmd.com/read/29653436/a-chloroplast-targeted-cabbage-dead-box-rna-helicase-brrh22-confers-abiotic-stress-tolerance-to-transgenic-arabidopsis-plants-by-affecting-translation-of-chloroplast-transcripts
#17
Ghazala Nawaz, Kwanuk Lee, Su Jung Park, Yeon-Ok Kim, Hunseung Kang
Although the roles of many DEAD-box RNA helicases (RHs) have been determined in the nucleus as well as in cytoplasm during stress responses, the importance of chloroplast-targeted DEAD-box RHs in stress response remains largely unknown. In this study, we determined the function of BrRH22, a chloroplast-targeted DEAD-box RH in cabbage (Brassica rapa), in abiotic stress responses. The expression of BrRH22 was markedly increased by drought, heat, salt, or cold stress and by ABA treatment, but was largely decreased by UV stress...
April 7, 2018: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29650161/molecular-and-functional-characterization-of-shnac1-an-nac-transcription-factor-from-solanum-habrochaites
#18
Hui Liu, Yuhong Zhou, Hanxia Li, Taotao Wang, Junhong Zhang, Bo Ouyang, Zhibiao Ye
NAC transcription factors (TFs) are important regulators of plant adaptation to abiotic stress. In this study, we functionally characterized an NAC TF, ShNAC1, from Solanum habrochaites. ShNAC1 was up-regulated by drought, cold, and salt stresses, and it displayed lower expression at the late stage of stress treatments than its orthologous gene in S. lycopersicum. Overexpression of ShNAC1 in tomato resulted in reduced cold, drought, and salt tolerance. Additionally, ShNAC1 displayed the highest expression in senescent leaf, and overexpressing ShNAC1 accelerated salt- and dark-induced leaf senescence...
June 2018: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/29643858/tobacco-transcription-factor-ntbhlh123-confers-tolerance-to-cold-stress-by-regulating-the-ntcbf-pathway-and-reactive-oxygen-species-homeostasis
#19
Qiang Zhao, Xiaohua Xiang, Dan Liu, Aiguo Yang, Yuanying Wang
Cold stress is a major environmental factor that impairs plant growth and development, geographic distribution, and crop productivity. The C-repeat binding factor (CBF) regulatory pathway has an essential role in response to cold stress. Here, we characterized a bHLH transcription factor from Nicotiana tabacum , NtbHLH123 , in response to cold stress (4°C). Overexpression of NtbHLH123 enhanced cold tolerance in transgenic tobacco plants. Based on yeast one-hybrid, chromatin immunoprecipitation PCR, and transient expression analysis assays, NtbHLH123 binds directly to the G-box/E-box motifs in the promoter of the NtCBF genes and positively regulates their expression...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29617631/metabolic-process-of-raffinose-family-oligosaccharides-during-cold-stress-and-recovery-in-cucumber-leaves
#20
Hao Gu, Man Lu, Zhiping Zhang, Jinjin Xu, Wenhua Cao, Minmin Miao
Raffinose family oligosaccharides (RFOs) accumulate under stress conditions in many plants and have been suggested to act as stress protectants. To elucidate the metabolic process of RFOs under cold stress, levels of RFOs, and related carbohydrates, the expression and activities of main metabolic enzymes and their subcellular compartments were investigated during low-temperature treatment and during the recovery period in cucumber leaves. Cold stress induced the accumulation of stachyose in vacuoles, galactinol in vacuoles and cytosol, and sucrose and raffinose in vacuoles, cytosol, and chloroplasts...
March 29, 2018: Journal of Plant Physiology
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