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Plant Cell Reports

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https://www.readbyqxmd.com/read/28819820/genome-wide-characterization-of-the-wrky-gene-family-in-radish-raphanus-sativus-l-reveals-its-critical-functions-under-different-abiotic-stresses
#1
Bernard Kinuthia Karanja, Lianxue Fan, Liang Xu, Yan Wang, Xianwen Zhu, Mingjia Tang, Ronghua Wang, Fei Zhang, Everlyne M'mbone Muleke, Liwang Liu
The radish WRKY gene family was genome-widely identified and played critical roles in response to multiple abiotic stresses. The WRKY is among the largest transcription factors (TFs) associated with multiple biological activities for plant survival, including control response mechanisms against abiotic stresses such as heat, salinity, and heavy metals. Radish is an important root vegetable crop and therefore characterization and expression pattern investigation of WRKY transcription factors in radish is imperative...
August 17, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28819684/comparison-of-transcriptome-profiles-by-fusarium-oxysporum-inoculation-between-fusarium-yellows-resistant-and-susceptible-lines-in-brassica-rapa-l
#2
Naomi Miyaji, Motoki Shimizu, Junji Miyazaki, Kenji Osabe, Maho Sato, Yusuke Ebe, Satoko Takada, Makoto Kaji, Elizabeth S Dennis, Ryo Fujimoto, Keiichi Okazaki
Resistant and susceptible lines in Brassica rapa have different immune responses against Fusarium oxysporum inoculation. Fusarium yellows caused by Fusarium oxysporum f. sp. conglutinans (Foc) is an important disease of Brassicaceae; however, the mechanism of how host plants respond to Foc is still unknown. By comparing with and without Foc inoculation in both resistant and susceptible lines of Chinese cabbage (Brassica rapa var. pekinensis), we identified differentially expressed genes (DEGs) between the bulked inoculated (6, 12, 24, and 72 h after inoculation (HAI)) and non-inoculated samples...
August 17, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28815368/proteomics-analysis-identified-a-drt-protein-involved-in-arsenic-resistance-in-populus
#3
Yanli Liu, Rebecca Njeri Damaris, Pingfang Yang
A DRT protein was identified and proved to be involved in the poplar arsenic resistance through comparative proteomics analysis between arsenic sensitive and resistant cultivars. Arsenic pollution in soil has been a serious problem all over the world. It is very important to dissect plants arsenic stress-response mechanisms in phytoremediation. In this study, arsenate-tolerant Populus deltoides cv. 'zhonglin 2025' and arsenate-sensitive Populus × euramericana cv. 'I-45/51' were screened from 10 poplar varieties...
August 16, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28808769/the-genetic-characteristics-in-cytology-and-plant-physiology-of-two-wheat-triticum-aestivum-near-isogenic-lines-with-different-freezing-tolerances
#4
Wenqiang Wang, Qunqun Hao, Wenlong Wang, Qinxue Li, Wei Wang
Freezing tolerance in taft plants relied more upon an ABA-independent- than an ABA-dependent antifreeze signaling pathway. Two wheat (Triticum aestivum) near isogenic lines (NIL) named tafs (freezing sensitivity) and taft (freezing tolerance) were isolated in the laboratory and their various cytological and physiological characteristics under freezing conditions were studied. Proplastid, cell membrane, and mitochondrial ultrastructure were less damaged by freezing treatment in taft than tafs plants. Chlorophyll, ATP, and thylakoid membrane protein contents were significantly higher, but malondialdehyde content was significantly lower in taft than tafs plants under freezing condition...
August 14, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28808767/identification-and-expression-analysis-of-micrornas-during-ovule-development-in-rice-oryza-sativa-by-deep-sequencing
#5
Ya Wu, Liyu Yang, Meiling Yu, Jianbo Wang
MicroRNA (miRNA) expression profiles during rice ovule development revealed the possible miRNA-mediated regulation between ovule sporophytic tissue and female gametophyte and the involvement of miRNAs in programmed cell death. MiRNAs are 20-24-nucleotide small RNAs that play key roles in the regulation of many growth and developmental processes in plants. Rice ovule development comprises a series of biological events, which are regulated by complex molecular mechanisms. To gain insight into miRNA-mediated regulation of rice ovule development, Illumina sequencing was used to examine the expression of miRNAs from the megaspore mother cell meiosis stage to the fertilized ovule stage...
August 14, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28803325/an-endoplasmic-reticulum-localized-coffea-arabica-burp-domain-containing-protein-affects-the-response-of-transgenic-arabidopsis-plants-to-diverse-abiotic-stresses
#6
Sy Nguyen Dinh, Hunseung Kang
The Coffea arabica BURP domain-containing gene plays an important role in the response of transgenic Arabidopsis plants to abiotic stresses via regulating the level of diverse proteins. Although the functions of plant-specific BURP domain-containing proteins (BDP) have been determined for a few plants, their roles in the growth, development, and stress responses of most plant species, including coffee plant (Coffea arabica), are largely unknown. In this study, the function of a C. arabica BDP, designated CaBDP1, was investigated in transgenic Arabidopsis plants...
August 12, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28801742/the-cyclic-lipopeptide-orfamide-induces-systemic-resistance-in-rice-to-cochliobolus-miyabeanus-but-not-to-magnaporthe-oryzae
#7
Zongwang Ma, Marc Ongena, Monica Höfte
The Pseudomonas- derived cyclic lipopeptide orfamide can induce resistance to Cochliobolus miyabeanus but not to Magnaporthe oryzae in rice. Abscisic acid signaling is involved in the induced systemic resistance response triggered by orfamide. Diverse natural products produced by beneficial Pseudomonas species have the potential to trigger induced systemic resistance (ISR) in plants, and thus may contribute to control of diseases in crops. Some beneficial Pseudomonas spp. can produce cyclic lipopeptides (CLPs), amphiphilic molecules composed of a fatty acid tail linked to an oligopeptide which is cyclized...
August 11, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28780704/regulatory-components-of-carbon-concentrating-mechanisms-in-aquatic-unicellular-photosynthetic-organisms
#8
REVIEW
Vandana Tomar, Gurpreet Kaur Sidhu, Panchsheela Nogia, Rajesh Mehrotra, Sandhya Mehrotra
This review provides an insight into the regulation of the carbon concentrating mechanisms (CCMs) in lower organisms like cyanobacteria, proteobacteria, and algae. CCMs evolved as a mechanism to concentrate CO2 at the site of primary carboxylating enzyme Ribulose-1, 5-bisphosphate carboxylase oxygenase (Rubisco), so that the enzyme could overcome its affinity towards O2 which leads to wasteful processes like photorespiration. A diverse set of CCMs exist in nature, i.e., carboxysomes in cyanobacteria and proteobacteria; pyrenoids in algae and diatoms, the C4 system, and Crassulacean acid metabolism in higher plants...
August 5, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28756583/phytopathogen-induced-changes-to-plant-methylomes
#9
REVIEW
Tarek Hewezi, Vince Pantalone, Morgan Bennett, C Neal Stewart, Tessa M Burch-Smith
DNA methylation is a dynamic and reversible type of epigenetic mark that contributes to cellular physiology by affecting transcription activity, transposon mobility and genome stability. When plants are infected with pathogens, plant DNA methylation patterns can change, indicating an epigenetic interplay between plant host and pathogen. In most cases methylation can change susceptibility. While DNA hypomethylation appears to be a common phenomenon during the susceptible interaction, the levels and patterns of hypomethylation in transposable elements and genic regions may mediate distinct responses against various plant pathogens...
July 29, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28756582/rnai-mediated-smv-p3-cistron-silencing-confers-significantly-enhanced-resistance-to-multiple-potyvirus-strains-and-isolates-in-transgenic-soybean
#10
Xiangdong Yang, Lu Niu, Wei Zhang, Jing Yang, Guojie Xing, Hongli He, Dongquan Guo, Qian Du, Xueyan Qian, Yao Yao, Qiyun Li, Yingshan Dong
Robust RNAi-mediated resistance to multiple Potyvirus strains and isolates, but not to Secovirus BPMV, was conferred by expressing a short SMV P3 hairpin in soybean plants. Engineering resistance to multiple Potyvirus strains is of great interest because of a wide variability of the virus strains, and mixed infections of multiple viruses or strains commonly associated with field grown soybean. In this study, RNAi-mediated silencing of the soybean mosaic virus (SMV) P3 cistron, which is reported to participate in virus movements and pathogenesis and to be the putative determinant of SMV virulence, was used to induce resistance to multiple Potyvirus strains and isolates in soybean...
July 29, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28752355/trichostatin-a-increases-embryo-and-green-plant-regeneration-in-wheat
#11
Fengying Jiang, Daria Ryabova, Jeremie Diedhiou, Pierre Hucl, Harpinder Randhawa, Elizabeth-France Marillia, Nora A Foroud, Francois Eudes, Palak Kathiria
Chemical agents such as trichostatin A (TSA) can assist in optimization of doubled haploidy for rapid improvements in wheat germplasm and addressing recalcitrance issues in cell culture responses. In wheat, plant regeneration through microspore culture is an integral part of doubled haploid (DH) production. However, low response to tissue culture and genotype specificity are two major constraints in the broad deployment of this breeding tool. Recently, the structure of chromatin was shown to be linked with cell transitions during tissue culture...
July 27, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28748257/use-of-plant-preservative-mixture%C3%A2-for-establishing-in-vitro-cultures-from-field-plants-experience-with-papaya-reveals-several-ppm%C3%A2-tolerant-endophytic-bacteria
#12
Pious Thomas, Mukta Agrawal, C B Bharathkumar
Prevalence of diverse PPM™-tolerant endophytic bacteria in papaya, the broad-spectrum microbicide specified for use in plant tissue cultures, capable of surviving covertly in MS-based medium, with implications in contamination management. Plant Preservative Mixture™ was employed for establishing papaya (Carica papaya) tissue cultures from field explants. Comparing three recommended practices for controlling endogenous microbial contaminants, axillary shoot tips (1.0-1.5 cm) from cv. Arka Prabhath were treated with PPM™ 5% for 4 h (T1), 50% for 10 min (T2) or 100% for 10 min (T3) and cultured in MS-based papaya establishment medium (PEM)...
July 26, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28741131/meiotic-chromosome-behavior-of-the-male-fertile-allotriploid-lily-cultivar-cocossa
#13
Xiqing Zhang, Qinzheng Cao, Peng Zhou, Guixia Jia
Cytological observations of microsporogenesis in the allotriploid lily cultivar 'Cocossa' showed that viable pollen production could be attributed mainly to disoriented spindles, abnormal cytokinesis, and cytomixis during male meiosis. To identify the reasons why the allotriploid lily cultivar 'Cocossa' can produce aneuploid and euploid functional male gametes and can be used as the paternal parent in lily introgression breeding, we performed a detailed investigation of microsporogenesis using the conventional cytological methods...
July 24, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28733852/wax-crystal-sparse-leaf-4-encoding-a-%C3%AE-ketoacyl-coenzyme-a-synthase-6-is-involved-in-rice-cuticular-wax-accumulation
#14
Lu Gan, Shanshan Zhu, Zhichao Zhao, Linglong Liu, Xiaole Wang, Zhe Zhang, Xin Zhang, Jie Wang, Jiulin Wang, Xiuping Guo, Jianmin Wan
WSL4 encodes a KCS6 protein which is required for cuticular wax accumulation in rice. Very long chain fatty acids (VLCFAs) are essential precursors for cuticular wax biosynthesis. VLCFA biosynthesis occurs in the endoplasmic reticulum and requires the fatty acid elongase (FAE) complex. The β-ketoacyl-coenzyme A synthase (KCS) catalyzes the first step of FAE-mediated VLCFA elongation. Here we characterized the Wax Crystal-Sparse Leaf 4 (WSL4) gene involved in leaf cuticular wax accumulation in rice. The wsl4 mutant displayed a pleiotropic phenotype including dwarfism, less tiller numbers and reduced surface wax load...
July 21, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28721521/expression-patterns-of-the-native-shrunken-2-promoter-in-sorghum-bicolor-visualised-through-use-of-the-gfp-reporter-gene
#15
Kyle C Lamont, Stephen R Mudge, Guoquan Liu, Ian D Godwin
The AGPase large subunit (shrunken-2) promoter was demonstrated to be active in the placentochalaza and endosperm of developing grain as well as the root tips in transgenic sorghum. The temporal and spatial expression patterns of the Sorghum bicolor Shrunken-2 (Sh2) promoter were evaluated using the green fluorescence protein reporter gene (gfp) in transgenic sorghum, within the context of upregulating starch biosynthesis in the developing grain. GFP fluorescence was analysed throughout development in various tissue types using confocal laser scanning microscopy techniques...
July 18, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28721520/seed-development-of-jatropha-curcas-l-euphorbiaceae-integrating-anatomical-ultrastructural-and-molecular-studies
#16
Emanoella L Soares, Magda L B Lima, José R S Nascimento, Arlete A Soares, Ítalo A C Coutinho, Francisco A P Campos
This work provides a detailed histological analysis of the development of Jatropha curcas seeds, together with an assessment of the role of programmed cell death in this process. Seeds of Jatropha curcas are a potential source of raw material for the production of biodiesel, but very little is known about how the architecture of the seeds is shaped by the coordinated development of the embryo, endosperm and maternal tissues, namely integuments and nucellus. This study used standard anatomical and ultrastructural techniques to evaluate seed development and programmed cell death (PCD) in the inner integument was monitored by qPCR...
July 18, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28710536/resistance-to-tomato-leaf-curl-new-delhi-virus-in-melon-is-controlled-by-a-major-qtl-located-in-chromosome-11
#17
Cristina Sáez, Cristina Esteras, Cecilia Martínez, María Ferriol, Narinder P S Dhillon, Carmelo López, Belén Picó
Identification of three genomic regions and underlying candidate genes controlling the high level of resistance to ToLCNDV derived from a wild melon. SNP markers appropriated for MAS management of resistance. Tomato leaf curl New Delhi virus (ToLCNDV) is a bipartite begomovirus that severely affects melon crop (Cucumis melo) in the main production areas of Spain since 2012. In this work, we evaluated the degree of resistance of four accessions (two belonging to the subsp. agrestis var. momordica and two to the wild agrestis group) and their corresponding hybrids with a susceptible commercial melon belonging to the subsp...
July 14, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28707113/genetically-engineered-hairy-root-cultures-of-hyoscyamus-senecionis-and-h-muticus-ploidy-as-a-promising-parameter-in-the-metabolic-engineering-of-tropane-alkaloids
#18
Esmaeil Dehghan, Darwin W Reed, Patrick S Covello, Zeinab Hasanpour, Javier Palazon, Kirsi-Marja Oksman-Caldentey, Farajollah Shahriari Ahmadi
Tetraploidy improves overexpression of h6h and scopolamine production of H. muticus, while in H. senecionis, pmt overexpression and elicitation can be used as effective methods for increasing tropane alkaloids. The effects of metabolic engineering in a polyploid context were studied by overexpression of h6h in the tetraploid hairy root cultures of H. muticus. Flow cytometry analysis indicated genetic stability in the majority of the clones, while only a few clones showed genetic instability. Among all the diploid and tetraploid clones, the highest level of h6h transgene expression and scopolamine accumulation was interestingly observed in the tetraploid clones of H...
July 13, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28698906/comparative-ultrastructure-of-fruit-plastids-in-three-genetically-diverse-genotypes-of-apple-malus%C3%A2-%C3%A3-%C3%A2-domestica-borkh-during-development
#19
Scott M Schaeffer, Ryan Christian, Nohely Castro-Velasquez, Brennan Hyden, Valerie Lynch-Holm, Amit Dhingra
Comparative ultrastructural developmental time-course analysis has identified discrete stages at which the fruit plastids undergo structural and consequently functional transitions to facilitate subsequent development-guided understanding of the complex plastid biology. Plastids are the defining organelle for a plant cell and are critical for myriad metabolic functions. The role of leaf plastid, chloroplast, is extensively documented; however, fruit plastids-chromoplasts-are poorly understood, especially in the context of the diverse metabolic processes operating in these diverse plant organs...
July 11, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28698905/comparative-transcriptional-analysis-of-hop-responses-to-infection-with-verticillium-nonalfalfae
#20
Vasja Progar, Jernej Jakše, Nataša Štajner, Sebastjan Radišek, Branka Javornik, Sabina Berne
Dynamic transcriptome profiling revealed excessive, yet ineffective, immune response to V. nonalfalfae infection in susceptible hop, global gene downregulation in shoots of resistant hop and only a few infection-associated genes in roots. Hop (Humulus lupulus L.) production is hampered by Verticillium wilt, a disease predominantly caused by the soil-borne fungus Verticillium nonalfalfae. Only a few hop cultivars exhibit resistance towards it and mechanisms of this resistance have not been discovered. In this study, we compared global transcriptional responses in roots and shoots of resistant and susceptible hop plants infected by a lethal strain of V...
July 11, 2017: Plant Cell Reports
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