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https://www.readbyqxmd.com/read/28937654/genome-wide-analysis-of-cca1-like-proteins-in-soybean-and-functional-characterization-of-gmmyb138a
#1
Shaomin Bian, Donghao Jin, Ruihua Li, Xin Xie, Guoli Gao, Weikang Sun, Yuejia Li, Lulu Zhai, Xuyan Li
Plant CIRCADIAN CLOCK ASSOCIATED1 (CCA1)-like proteins are a class of single-repeat MYELOBLASTOSIS ONCOGENE (MYB) transcription factors generally featured by a highly conserved motif SHAQK(Y/F)F, which play important roles in multiple biological processes. Soybean is an important grain legume for seed protein and edible vegetable oil. However, essential understandings regarding CCA1-like proteins are very limited in soybean. In this study, 54 CCA1-like proteins were identified by data mining of soybean genome...
September 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28926933/itraq-based-quantitative-proteomic-analysis-reveals-cold-responsive-proteins-involved-in-leaf-senescence-in-upland-cotton-gossypium-hirsutum-l
#2
Xuewei Zheng, Shuli Fan, Hengling Wei, Chengcheng Tao, Qiang Ma, Qifeng Ma, Siping Zhang, Hongbin Li, Chaoyou Pang, Shuxun Yu
Premature leaf senescence occurs in the ultimate phase of the plant, and it occurs through a complex series of actions regulated by stress, hormones and genes. In this study, a proteomic analysis was performed to analyze the factors that could induce premature leaf senescence in two cotton cultivars. We successfully identified 443 differential abundant proteins (DAPs) from 7388 high-confidence proteins at four stages between non-premature senescence (NS) and premature senescence (PS), among which 158 proteins were over-accumulated, 238 proteins were down-accumulated at four stages, and 47 proteins displayed overlapped accumulation...
September 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28915789/rapid-transcriptional-and-metabolic-regulation-of-the-deacclimation-process-in-cold-acclimated-arabidopsis-thaliana
#3
Majken Pagter, Jessica Alpers, Alexander Erban, Joachim Kopka, Ellen Zuther, Dirk K Hincha
BACKGROUND: During low temperature exposure, temperate plant species increase their freezing tolerance in a process termed cold acclimation. This is accompanied by dampened oscillations of circadian clock genes and disrupted oscillations of output genes and metabolites. During deacclimation in response to warm temperatures, cold acclimated plants lose freezing tolerance and resume growth and development. While considerable effort has been directed toward understanding the molecular and metabolic basis of cold acclimation, much less information is available about the regulation of deacclimation...
September 16, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28912063/differential-expression-by-chromatin-modifications-of-alcohol-dehydrogenase-1-of-chorispora-bungeana-in-cold-stress
#4
Lijun Liu, Yuan Song, Jun Xu, Dongming Li, Gaopeng Li, Lizhe An
Epigenetic modifications regulate plant genes to cope with a variety of environmental stresses. Chorispora bungeana is an alpine subnival plant with strong tolerance to multiple abiotic stresses, especially cold stress. In this study, we characterized the alcohol dehydrogenase 1 gene from Chorispora bungeana, CbADH1, that is up-regulated in cold conditions. Overexpression of CbADH1 in Arabidopsis thaliana improved cold tolerance, as indicated by a decreased lethal temperature (LT50). Chromatin immunoprecipitation assays showed that histone H3 is removed from the promoter region and the middle-coding region of the gene...
September 11, 2017: Gene
https://www.readbyqxmd.com/read/28903897/ubiquitination-modification-precisely-modulates-the-aba-signaling-pathway-in-plants
#5
Fei-fei Yu, Qi Xie
Protein post-translational modification by ubiquitination is essential for the activity and stability of proteins in the eukaryotic life cycle. In the past few years, it has been found that ubiquitination subtly modulates the abscisic acid (ABA) signaling pathway to regulate plant growth, development and stress responses, such as drought, salinity and cold stress responses. In this review, how the ubiquitin-proteasome system and ubiquitination-related membrane trafficking pathway affect ABA synthesis and signal transduction will be addressed and analysed...
August 20, 2017: Yi Chuan, Hereditas
https://www.readbyqxmd.com/read/28900717/monitoring-of-oxidative-status-in-three-native-australian-species-during-cold-acclimation-and-cryopreservation
#6
Bryn Funnekotter, Louise Colville, Anja Kaczmarczyk, Shane R Turner, Eric Bunn, Ricardo L Mancera
Three wild species exhibited a significant reduction in antioxidants throughout the cryopreservation protocol, whilst the half-cell reduction potential became more oxidised. Antioxidant content recuperated in recovering shoot tips. Cryopreservation is the most efficient and cost-effective long-term storage solution for the conservation of a wide range of plant species and material. Changes in the levels of antioxidants during the process of cryopreservation are known to reduce post-cryogenic survival due to oxidative stress...
September 12, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28900441/bacillus-amyloliquefaciens-confers-tolerance-to-various-abiotic-stresses-and-modulates-plant-response-to-phytohormones-through-osmoprotection-and-gene-expression-regulation-in-rice
#7
Shalini Tiwari, Vivek Prasad, Puneet S Chauhan, Charu Lata
Being sessile in nature, plants have to withstand various adverse environmental stress conditions including both biotic and abiotic stresses. Comparatively, abiotic stresses such as drought, salinity, high temperature, and cold pose major threat to agriculture by negatively impacting plant growth and yield worldwide. Rice is one of the most widely consumed staple cereals across the globe, the production and productivity of which is also severely affected by different abiotic stresses. Therefore, several crop improvement programs are directed toward developing stress tolerant rice cultivars either through marker assisted breeding or transgenic technology...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28898434/cold-sensing-in-grapevine-which-signals-are-upstream-of-the-microtubular-thermometer
#8
Lixin Wang, Peter Nick
Plants can acquire freezing tolerance in response to cold, but non-freezing temperatures. To efficiently activate this cold acclimation, low temperature has to be sensed and processed swiftly, a process that is linked with a transient elimination of microtubules. Here, we address cold-induced microtubules elimination in a grapevine cell line stably expressing a GFP fusion of Arabidopsis TuB6, which allows to follow their response in vivo and to quantify this response by quantitative image analysis. We use time-course studies with several specific pharmacological inhibitors and activators to dissect the signalling events acting upstream of microtubules elimination...
September 12, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28889352/characterization-of-a-novel-zinc-finger-transcription-factor-taznf-from-wheat-conferring-heat-stress-tolerance-in-arabidopsis
#9
Preeti Agarwal, Paramjit Khurana
C3HC4-type zinc finger proteins are known to play important roles in various plant processes including regulation of growth and development, signaling networks, responses to abiotic stresses etc. The current study identifies and explores the involvement of TaZnF in plant stress response, mainly heat stress. TaZnF belongs to C4HC3-type zinc finger transcription factor. Phylogenetic analysis of TaZnF revealed strong sequence similarity to Brachypodium distachyon, a model system for crop species. Gene expression studies have revealed its role under diverse stress conditions including heat and cold conditions...
September 9, 2017: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/28888163/overexpression-of-ghdof1-improved-salt-and-cold-tolerance-and-seed-oil-content-in-gossypium-hirsutum
#10
Ying Su, Wei Liang, Zhengjie Liu, Yumei Wang, Yanpeng Zhao, Babar Ijaz, Jinping Hua
A homologous GhDof1, which belongs to a large family of plant-specific transcription factor DOF, was isolated from Upland cotton (Gossypium hirsutum L.). GhDof1 protein was located in the nucleus of onion epidermal cells, the core domain of transcriptional activity existed in the C-terminal, and the activity elements of GhDof1 promoter existed in the regions of -645∼ -469bp and -286∼ -132bp of transcriptional start codon. GhDof1 constitutively expressed in leaves, roots and stems, accumulated highest in leaves...
July 28, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28886453/patterns-of-low-temperature-induced-accumulation-of-dehydrins-in-rosaceae-crops-evidence-for-post-translational-modification-in-apple
#11
Perttu Haimi, Jurgita Vinskienė, Inga Stepulaitienė, Danas Baniulis, Gražina Stanienė, Jūratė Bronė Šikšnianienė, Rytis Rugienius
Important crop plants of Rosaceae family are often damaged during winter due to the lack of acclimation and cold hardiness. One of the cellular responses of plants to cold stress is the accumulation of dehydrin proteins. We studied the expression of dehydrins in several Rosaceae species during low temperature treatment in vitro. Microshoots of Pyrus communis, Malus×domestica, Fragaria vesca, Fragaria×ananassa, Prunus cerasus and Prunus avium cultivars were grown in low temperature conditions. Genotype -specific accumulation of dehydrins was detected by immunoblot analysis of the extracted proteins...
August 31, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28884328/the-glycine-soja-nac-transcription-factor-gsnac019-mediates-the-regulation-of-plant-alkaline-tolerance-and-aba-sensitivity
#12
Lei Cao, Yang Yu, Xiaodong Ding, Dan Zhu, Fan Yang, Beidong Liu, Xiaoli Sun, Xiangbo Duan, Kuide Yin, Yanming Zhu
Overexpression of Gshdz4 or GsNAC019 enhanced alkaline tolerance in transgenic Arabidopsis. We proved that Gshdz4 up-regulated both GsNAC019 and GsRD29B but GsNAC019 may repress the GsRD29B expression under alkaline stress. Wild soybean (Glycine soja) has a high tolerance to environmental challenges. It is a model species for dissecting the molecular mechanisms of salt-alkaline stresses. Although many NAC transcription factors play important roles in response to multiple abiotic stresses, such as salt, osmotic and cold, their mode of action in alkaline stress resistance is largely unknown...
September 7, 2017: Plant Molecular Biology
https://www.readbyqxmd.com/read/28879616/isolation-and-identification-of-five-cold-inducible-promoters-from-oryza-sativa
#13
Juan Li, Ruiying Qin, Rongfang Xu, Hao Li, Yachun Yang, Li Li, Pengcheng Wei, Jianbo Yang
Five promoters of the cold-inducible rice genes were isolated. The quantitative and qualitative expression analyses in the high generation transgenic rice suggest that the genes are stably induced by low temperature. Cold-inducible promoters are highly desirable for stress-inducible gene expression in crop genetic engineering. In this study, five rice genes, including OsABA8ox1, OsMYB1R35, OsERF104, OsCYP19-4, and OsABCB5, were found to be transcriptionally induced by cold stress. The promoters of these five genes were isolated, and their activities were identified in various tissues of transgenic rice plants at different growth stages both before and after cold stress...
September 6, 2017: Planta
https://www.readbyqxmd.com/read/28878797/overexpression-of-hevea-brasiliensis-hbice1-enhances-cold-tolerance-in-arabidopsis
#14
Hong-Mei Yuan, Ying Sheng, Wei-Jie Chen, Yu-Qing Lu, Xiao Tang, Mo Ou-Yang, Xi Huang
Rubber trees (Hevea brasiliensis) were successfully introduced to south China in the 1950s on a large-scale; however, due to the climate, are prone to cold injury during the winter season. Increased cold tolerance is therefore an important goal, yet the mechanism underlying rubber tree responses to cold stress remains unclear. This study carried out functional characterization of HbICE1 (Inducer of CBF Expression 1) from H. brasiliensis. A nucleic protein with typical features of ICEs, HbICE1 was able to bind to MYC recognition sites and had strong transactivation activity...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28855910/perspective-research-progress-in-cold-responses-of-capsella-bursa-pastoris
#15
REVIEW
Ali Noman, Hina Kanwal, Noreen Khalid, Tayyaba Sanaullah, Aasma Tufail, Atifa Masood, Sabeeh-Ur-Rasool Sabir, Muhammad Aqeel, Shuilin He
Plants respond to cold stress by modulating biochemical pathways and array of molecular events. Plant morphology is also affected by the onset of cold conditions culminating at repression in growth as well as yield reduction. As a preventive measure, cascades of complex signal transduction pathways are employed that permit plants to endure freezing or chilling periods. The signaling pathways and related events are regulated by the plant hormonal activity. Recent investigations have provided a prospective understanding about plant response to cold stress by means of developmental pathways e...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28852597/allele-specific-expression-analysis-identifies-regulatory-variation-associated-with-stress-related-genes-in-the-mexican-highland-maize-landrace-palomero-toluque%C3%A3-o
#16
M Rocío Aguilar-Rangel, Ricardo A Chávez Montes, Eric González-Segovia, Jeffrey Ross-Ibarra, June K Simpson, Ruairidh J H Sawers
BACKGROUND: Gene regulatory variation has been proposed to play an important role in the adaptation of plants to environmental stress. In the central highlands of Mexico, farmer selection has generated a unique group of maize landraces adapted to the challenges of the highland niche. In this study, gene expression in Mexican highland maize and a reference maize breeding line were compared to identify evidence of regulatory variation in stress-related genes. It was hypothesised that local adaptation in Mexican highland maize would be associated with a transcriptional signature observable even under benign conditions...
2017: PeerJ
https://www.readbyqxmd.com/read/28851274/the-core-regulatory-network-of-the-abscisic-acid-pathway-in-banana-genome-wide-identification-and-expression-analyses-during-development-ripening-and-abiotic-stress
#17
Wei Hu, Yan Yan, Haitao Shi, Juhua Liu, Hongxia Miao, Weiwei Tie, Zehong Ding, XuPo Ding, Chunlai Wu, Yang Liu, Jiashui Wang, Biyu Xu, Zhiqiang Jin
BACKGROUND: Abscisic acid (ABA) signaling plays a crucial role in developmental and environmental adaptation processes of plants. However, the PYL-PP2C-SnRK2 families that function as the core components of ABA signaling are not well understood in banana. RESULTS: In the present study, 24 PYL, 87 PP2C, and 11 SnRK2 genes were identified from banana, which was further supported by evolutionary relationships, conserved motif and gene structure analyses. The comprehensive transcriptomic analyses showed that banana PYL-PP2C-SnRK2 genes are involved in tissue development, fruit development and ripening, and response to abiotic stress in two cultivated varieties...
August 29, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28843134/rdreb1bi-enhances-drought-tolerance-by-activating-aqp-related-genes-in-transgenic-strawberry
#18
Xianbin Gu, Zhihong Gao, Yichao Yan, Xiuyun Wang, Yushan Qiao, Yahua Chen
The dehydration-responsive element binding protein (DREB) family of transcription factors is associated with abiotic stress responses during plant growth and development. This study focussed on the subfamily member DREB1B, which was initially described as highly and specifically responsive to low temperature. However, here it is shown that DREB1B is not only involved in cold tolerance but also other abiotic stress tolerances, such as that of drought. To further understand the genetic improvement effects of the drought tolerance provided by RdreB1BI in transgenic strawberry, drought stress responses of transgenic plants were evaluated at the morphological, physiological, and transcriptional levels...
August 18, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28840464/different-arabidopsis-thaliana-photosynthetic-and-defense-responses-to-hemibiotrophic-pathogen-induced-by-local-or-distal-inoculation-of-burkholderia-phytofirmans
#19
Fan Su, Sandra Villaume, Fanja Rabenoelina, Jérôme Crouzet, Christophe Clément, Nathalie Vaillant-Gaveau, Sandrine Dhondt-Cordelier
Pathogen infection of plant results in modification of photosynthesis and defense mechanisms. Beneficial microorganisms are known to improve plant tolerance to stresses. Burkholderia phytofirmans PsJN (Bp), a beneficial endophytic bacterium, promotes growth of a wide range of plants and induces plant resistance against abiotic and biotic stresses such as coldness and infection by a necrotrophic pathogen. However, mechanisms underlying its role in plant tolerance towards (hemi)biotrophic invaders is still lacking...
August 24, 2017: Photosynthesis Research
https://www.readbyqxmd.com/read/28835632/a-genome-wide-identification-of-the-wrky-family-genes-and-a-survey-of-potential-wrky-target-genes-in-dendrobium-officinale
#20
Chunmei He, Jaime A Teixeira da Silva, Jianwen Tan, Jianxia Zhang, Xiaoping Pan, Mingzhi Li, Jianping Luo, Jun Duan
The WRKY family, one of the largest families of transcription factors, plays important roles in the regulation of various biological processes, including growth, development and stress responses in plants. In the present study, 63 DoWRKY genes were identified from the Dendrobium officinale genome. These were classified into groups I, II, III and a non-group, each with 14, 28, 10 and 11 members, respectively. ABA-responsive, sulfur-responsive and low temperature-responsive elements were identified in the 1-k upstream regulatory region of DoWRKY genes...
August 23, 2017: Scientific Reports
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