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Plant Cell Reports

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https://www.readbyqxmd.com/read/28932910/a-histone-deacetylase-gene-slhda3-acts-as-a-negative-regulator-of-fruit-ripening-and-carotenoid-accumulation
#1
Jun-E Guo, Zongli Hu, Xiaohui Yu, Anzhou Li, Fenfen Li, Yunshu Wang, Shibing Tian, Guoping Chen
SlHDA3 functions as an inhibitor and regulates tomato fruit ripening and carotenoid accumulation. Post-translational modifications, including histones acetylation, play a pivotal role in the changes of chromatin structure dynamic modulation and gene activity. The regulation of histone acetylation is achieved by the action of histone acetyltransferases and deacetylases, which play crucial roles in the regulation of transcription activation. There is an increasing research focus on histone deacetylation in crops, but the role of histone deacetylase genes (HDACs) in tomato has not been elucidated...
September 20, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28913707/endocytic-pathways-involved-in-plga-nanoparticle-uptake-by-grapevine-cells-and-role-of-cell-wall-and-membrane-in-size-selection
#2
Cleofe Palocci, Alessio Valletta, Laura Chronopoulou, Livia Donati, Marco Bramosanti, Elisa Brasili, Barbara Baldan, Gabriella Pasqua
PLGA NPs' cell uptake involves different endocytic pathways. Clathrin-independent endocytosis is the main internalization route. The cell wall plays a more prominent role than the plasma membrane in NPs' size selection. In the last years, many studies on absorption and cell uptake of nanoparticles by plants have been conducted, but the understanding of the internalization mechanisms is still largely unknown. In this study, polydispersed and monodispersed poly(lactic-co-glycolic) acid nanoparticles (PLGA NPs) were synthesized, and a strategy combining the use of transmission electron microscopy (TEM), confocal analysis, fluorescently labeled PLGA NPs, a probe for endocytic vesicles (FM4-64), and endocytosis inhibitors (i...
September 14, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28905253/co-transformation-mediated-stacking-of-blast-resistance-genes-pi54-and-pi54rh-in-rice-provides-broad-spectrum-resistance-against-magnaporthe-oryzae
#3
Mandeep Kumari, Amit Kumar Rai, B N Devanna, Pankaj Kumar Singh, Ritu Kapoor, H Rajashekara, G Prakash, Vinay Sharma, Tilak Raj Sharma
This is the first report of stacking two major blast resistance genes in blast susceptible rice variety using co-transformation method to widen the resistance spectrum against different isolates of Magnaporthe oryzae. Single resistance (R-) gene mediated approach for the management of rice blast disease has met with frequent breakdown in resistance response. Besides providing the durable resistance, gene pyramiding or stacking also imparts broad spectrum resistance against plant pathogens, including rice blast...
September 13, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28905215/gmmyb58-and-gmmyb205-are-seed-specific-activators-for-isoflavonoid-biosynthesis-in-glycine-max
#4
Xiaoyan Han, Qinggang Yin, Jinyue Liu, Wenbo Jiang, Shaokang Di, Yongzhen Pang
GmMYB58 and GmMYB205 are key positive regulators that are involved in isoflavonoid biosynthesis in seeds of Glycine max, and they activate the expression of several structural genes in the isoflavonoid pathway. MYB transcription factors (TFs) are major regulators involved in flavonoid/isoflavonoid biosynthesis in many plant species. However, functions of most MYB TFs remain unknown in flavonoid/isoflavonoid pathway in Glycine max. In this study, we identified 321 MYB TFs by genome-wide searching, and further isolated and functionally characterized two MYB TFs, GmMYB58 and GmMYB205...
September 13, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28900717/monitoring-of-oxidative-status-in-three-native-australian-species-during-cold-acclimation-and-cryopreservation
#5
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/28887590/transcriptome-and-phytohormone-analysis-reveals-a-comprehensive-phytohormone-and-pathogen-defence-response-in-pear-self-cross-pollination
#6
Dongqing Shi, Chao Tang, Runze Wang, Chao Gu, Xiao Wu, Shi Hu, Jin Jiao, Shaoling Zhang
Candidate genes were identified and the role of phytohormones such as JA-Me and ABA in the synthesis of S-RNase was emphasized in pear self-incompatibility. Self-incompatibility (SI) occurs widely in flowering plants as an intraspecific reproductive barrier. This phenomenon promotes variation within species, but for some species such as Pyrus, SI is a nuisance rather than a benefit in agricultural production. Although many studies have been conducted on SI in pears, its mechanism remains unclear. In this study, high-throughput Illumina RNA sequencing (RNA-seq) was used to identify SI-related genes in pear styles...
September 8, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28866824/oil-body-biogenesis-and-biotechnology-in-legume-seeds
#7
REVIEW
Youhong Song, Xin-Ding Wang, Ray J Rose
The seeds of many legume species including soybean, Pongamia pinnata and the model legume Medicago truncatula store considerable oil, apart from protein, in their cotyledons. However, as a group, legume storage strategies are quite variable and provide opportunities for better understanding of carbon partitioning into different storage products. Legumes with their ability to fix nitrogen can also increase the sustainability of agricultural systems. This review integrates the cell biology, biochemistry and molecular biology of oil body biogenesis before considering biotechnology strategies to enhance oil body biosynthesis...
September 2, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28866772/the-gymnastics-of-epigenomics-in-rice
#8
REVIEW
Aditya Banerjee, Aryadeep Roychoudhury
Epigenomics is represented by the high-throughput investigations of genome-wide epigenetic alterations, which ultimately dictate genomic, transcriptomic, proteomic and metabolomic dynamism. Rice has been accepted as the global staple crop. As a result, this model crop deserves significant importance in the rapidly emerging field of plant epigenomics. A large number of recently available data reveal the immense flexibility and potential of variable epigenomic landscapes. Such epigenomic impacts and variability are determined by a number of epigenetic regulators and several crucial inheritable epialleles, respectively...
September 2, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28864834/rapid-and-efficient-crispr-cas9-gene-editing-in-citrus-using-the-yao-promoter
#9
Fei Zhang, Chantal LeBlanc, Vivian F Irish, Yannick Jacob
No abstract text is available yet for this article.
September 1, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28856445/extracting-genotype-information-of-arabidopsis-thaliana-recombinant-inbred-lines-from-transcript-profiles-established-with-high-density-oligonucleotide-arrays
#10
Renate Schmidt, Anastassia Boudichevskaia, Hieu Xuan Cao, Sang He, Rhonda Christiane Meyer, Jochen Christoph Reif
Polymorphic probes identified via a sequence-based approach are suitable to infer the genotypes of recombinant inbred lines from hybridisation intensities of GeneChip (®) transcript profiling experiments. The sequences of the probes of the ATH1 GeneChip(®) exactly match transcript sequences of the Arabidopsis thaliana reference genome Col-0, whereas nucleotide differences and/or insertions/deletions may be observed for transcripts of other A. thaliana accessions. Individual probes of the GeneChip(®) that show sequence polymorphisms between different A...
August 30, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28849385/application-of-droplet-digital-pcr-to-determine-copy-number-of-endogenous-genes-and-transgenes-in-sugarcane
#11
Yue Sun, Priya Aiyar Joyce
Droplet digital PCR combined with the low copy ACT allele as endogenous reference gene, makes accurate and rapid estimation of gene copy number in Q208 (A) and Q240 (A) attainable. Sugarcane is an important cultivated crop with both high polyploidy and aneuploidy in its 10 Gb genome. Without a known copy number reference gene, it is difficult to accurately estimate the copy number of any gene of interest by PCR-based methods in sugarcane. Recently, a new technology, known as droplet digital PCR (ddPCR) has been developed which can measure the absolute amount of the target DNA in a given sample...
August 28, 2017: Plant Cell Reports
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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