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Plant Cell Reports

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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
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
https://www.readbyqxmd.com/read/28688084/chemical-proteomic-analysis-of-6-benzylaminopurine-molecular-partners-in-wheat-grains
#7
Radim Simerský, Ivo Chamrád, Jindřich Kania, Miroslav Strnad, Marek Šebela, René Lenobel
An affinity-based chemical proteomic technique enabled direct identification of BAP-interacting proteins in wheat, including the well-known cytokinin-binder, cytokinin-binding protein 1. In this work, we show the development of a chemical proteomic technique for the identification of proteins binding to natural aromatic cytokinins (CKs). 6-benzylaminopurine (BAP) and documented CK-binder, wheat germ-allocated cytokinin-binding protein 1 (CBP-1), were suggested as an ideal proof-of concept affinity pair. Therefore, wheat grains were chosen as a model plant material...
July 7, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28685360/deciphering-the-physiological-and-molecular-mechanisms-for-copper-tolerance-in-autotetraploid-arabidopsis
#8
Mingjuan Li, Guoyun Xu, Xinjie Xia, Manling Wang, Xuming Yin, Bin Zhang, Xin Zhang, Yanchun Cui
Autotetraploid Arabidopsis line esd and 4COL exhibit enhanced tolerance to Cu stress by enhancing activation of antioxidative defenses, altering expression of genes related to Cu transport, chelation, and ABA-responsive. Autopolyploidy is ubiquitous among angiosperms and often results in better adaptation to stress conditions. Although copper (Cu) is an essential trace element, excess amounts can inhibit plant growth and even result in death. Here, we report that autotetraploid Arabidopsis thaliana esd and 4COL exhibit higher tolerance to Cu stress...
July 6, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28681159/selectable-marker-independent-transformation-of-recalcitrant-maize-inbred-b73-and-sorghum-p898012-mediated-by-morphogenic-regulators-baby-boom-and-wuschel2
#9
Muruganantham Mookkan, Kimberly Nelson-Vasilchik, Joel Hague, Zhanyuan J Zhang, Albert P Kausch
Discriminatory co-expression of maize BBM and WUS transcriptional factor genes promoted somatic embryogenesis and efficient Agrobacterium -mediated transformation of recalcitrant maize inbred B73 and sorghum P898012 genotypes without use of a selectable marker gene. The use of morphogenic regulators to overcome barriers in plant transformation is a revolutionary breakthrough for basic plant science and crop applications. Current standard plant transformation systems are bottlenecks for genetic, genomic, and crop improvement studies...
July 5, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28676963/knocking-out-of-carotenoid-catabolic-genes-in-rice-fails-to-boost-carotenoid-accumulation-but-reveals-a-mutation-in-strigolactone-biosynthesis
#10
Xiaoyu Yang, Lei Chen, Junxian He, Weichang Yu
Targeted mutations in five carotenoid catabolism genes failed to boost carotenoid accumulation in rice seeds, but produced dwarf and high tillering mutants when OsCCD7 gene was knocked out. Carotenoids play an important role in human diet as a source of vitamin A. Rice is a major staple food in Asia, but does not accumulate carotenoids in the endosperm because of the low carotenoid biosynthesis or the degradation in metabolism. In this study, the CRISPR/Cas9 system was investigated in the targeted knockout of five rice carotenoid catabolic genes (OsCYP97A4, OsDSM2, OsCCD4a, OsCCD4b and OsCCD7) and in an effort to increase β-carotene accumulation in rice endosperm...
July 4, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28667403/molecular-and-fish-analyses-of-a-53-kbp-intact-dna-fragment-inserted-by-biolistics-in-wheat-triticum-aestivum-l-genome
#11
A Partier, G Gay, C Tassy, M Beckert, C Feuillet, P Barret
A large, 53-kbp, intact DNA fragment was inserted into the wheat ( Triticum aestivum L.) genome. FISH analyses of individual transgenic events revealed multiple insertions of intact fragments. Transferring large intact DNA fragments containing clusters of resistance genes or complete metabolic pathways into the wheat genome remains a challenge. In a previous work, we showed that the use of dephosphorylated cassettes for wheat transformation enabled the production of simple integration patterns. Here, we used the same technology to produce a cassette containing a 44-kb Arabidopsis thaliana BAC, flanked by one selection gene and one reporter gene...
June 30, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28660363/adaptation-of-root-growth-to-increased-ambient-temperature-requires-auxin-and-ethylene-coordination-in-arabidopsis
#12
Qionghui Fei, Shaodong Wei, Zhaoyang Zhou, Huanhuan Gao, Xiaofeng Li
A fresh look at the roles of auxin, ethylene, and polar auxin transport during the plant root growth response to warmer ambient temperature (AT). The ambient temperature (AT) affects plant growth and development. Plants can sense changes in the AT, but how this change is transduced into a plant root growth response is still relatively unclear. Here, we found that the Arabidopsis ckrc1-1 mutant is sensitive to higher AT. At 27 °C, the ckrc1-1 root length is significantly shortened and the root gravity defect is enhanced, changes that can be restored with addition of 1-naphthaleneacetic acid, but not indole-3-acetic acid (IAA)...
June 28, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28656325/over-expression-of-gmsn1-enhances-virus-resistance-in-arabidopsis-and-soybean
#13
Hongli He, Xiangdong Yang, Hongwei Xun, Xue Lou, Shuzhen Li, Zhibin Zhang, Lili Jiang, Yingshan Dong, Shucai Wang, Jinsong Pang, Bao Liu
GmSN1 enhances virus resistance in plants most likely by affecting the expression of signal transduction and immune response genes. Soybean mosaic virus (SMV) infection causes severe symptom and leads to massive yield loss in soybean (Glycine max). By comparative analyzing gene expression in the SMV-resistant soybean cultivar Rsmv1 and the susceptible cultivar Ssmv1 at a transcriptome level, we found that a subgroup of Gibberellic Acid Stimulated Transcript (GAST) genes were down-regulated in SMV inoculated Ssmv1 plants, but not Rsmv1 plants...
June 27, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28656324/gr1-like-gene-expression-in-lycium-chinense-was-regulated-by-cadmium-induced-endogenous-jasmonic-acids-accumulation
#14
Zhigang Ma, Ting An, Xuerui Zhu, Jing Ji, Gang Wang, Chunfeng Guan, Chao Jin, Lingling Yi
The G1-like gene from the Lycium chinense was cloned and transferred into N. tabacum. Evidence showed that endogenous JA accumulation was crucial to LcGR gene expression in cadmium-stressed L. chinense. Glutathione reductase (GR) plays a vital role in glutathione-ascorbate metabolism and is a key enzyme in maintaining the redox state in plants. Jasmonic acids (JA) are important hormones regulating protective responses against bacteria and mechanic damage in plants. At present, the relationship between the endogenous JA accumulation, the glutathione (GSH) content and GR gene expression in plants under cadmium (Cd) stress has not been elucidated...
June 27, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28653111/seed-weight-differences-between-wild-and-domesticated-soybeans-are-associated-with-specific-changes-in-gene-expression
#15
Chao Yu, Zhipeng Qu, Yueting Zhang, Xifeng Zhang, Tingting Lan, David L Adelson, Dong Wang, Youlin Zhu
Our study systematically explored potential genes and molecular pathways as candidates for differences in seed weight resulting from soybean domestication. In addition, potential contributions of lncRNAs to seed weight were also investigated. Soybeans have a long history of domestication in China, and there are several significant phenotypic differences between cultivated and wild soybeans, for example, seeds of cultivars are generally larger and heavier than those from wild accessions. We analyzed seed transcriptomes from thirteen soybean samples, including six landraces and seven wild accessions using strand-specific RNA sequencing...
June 26, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28647832/genetic-dissection-of-adventitious-shoot-regeneration-in-roses-by-employing-genome-wide-association-studies
#16
Thi Hong Nhung Nguyen, Dietmar Schulz, Traud Winkelmann, Thomas Debener
We analysed the capacity to regenerate adventitious shoots in 96 rose genotypes and found 88 SNP markers associated with QTLs, some of which are derived from candidate genes for shoot regeneration. In an association panel of 96 rose genotypes previously analysed for petal colour, we conducted a genome-wide association study on the capacity of leaf petioles for direct shoot regeneration. Shoot regeneration rate and shoot ratio (number of shoots/total number of explants) were used as phenotypic descriptors for regeneration capacity...
June 24, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28634719/a-sugarcane-pathogenesis-related-protein-scpr10-plays-a-positive-role-in-defense-responses-under-sporisorium-scitamineum-srmv-sa-and-meja-stresses
#17
Qiong Peng, Yachun Su, Hui Ling, Waqar Ahmad, Shiwu Gao, Jinlong Guo, Youxiong Que, Liping Xu
A pathogenesis-related gene, ScPR10 , was isolated from sugarcane and its bio-function was characterized, demonstrating that ScPR10 was involved in plant defense responses to Sporisorium scitamineum , SrMV, SA, and MeJA stresses. Plant fungal and viral diseases are the major concerns in sugarcane industry. Many anti-fungal and antivirus components, including pathogenesis-related (PR) proteins, have been identified. The pathogenesis-related protein 10 (PR10) is the dominant group in PR families, involved in the plant defense mechanism...
June 20, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28616659/isolation-and-functional-characterization-of-a-circadian-regulated-constans-homolog-gbco-from-ginkgo-biloba
#18
Jiaping Yan, Dun Mao, Xiaomeng Liu, Lanlan Wang, Feng Xu, Guiyuan Wang, Weiwei Zhang, Yongling Liao
This is the first report to clone and functionally characterize a flowering time gene GbCO in perennial gymnosperm Ginkgo biloba. GbCO complements the co mutant of Arabidopsis, restoring normal early flowering. CONSTANS (CO) is a central regulator of photoperiod pathway, which channels inputs from light, day length, and circadian clock to promote the floral transition. In order to understand the role of CO in gymnosperm Ginkgo biloba, which has a long juvenile phase (15-20 years), a CO homolog (GbCO) was isolated and characterized from G...
June 14, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28608187/viral-vector-based-transient-gene-expression-in-nicotiana-benthamiana-effects-of-light-source-on-leaf-temperature-and-hemagglutinin-content
#19
Ryo Matsuda, Tomoyuki Abe, Kazuhiro Fujiwara
No abstract text is available yet for this article.
June 12, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28597062/an-anther-specific-gene-phgrp-is-regulated-by-phmyc2-and-causes-male-sterility-when-overexpressed-in-petunia-anthers
#20
Yuanzheng Yue, Chaoqun Yin, Rui Guo, Hao Peng, Zhaonan Yang, Guofeng Liu, Manzhu Bao, Huirong Hu
An anther-specific GRP gene, regulated by PhMYC2 , causes a significant reduction of male fertility when overexpressed in petunia, and its promoter is efficient in genetic engineering of male-sterile lines. Glycine-rich proteins (GRPs) play important roles in plant anther development; however, the underlying mechanisms and related regulatory networks are poorly understood. In this study, a novel glycine-rich family gene designated as PhGRP was isolated from Petunia hybrida 'Fantasy Red'. The qRT-PCR analysis showed that it expressed specifically in anthers, and its expression peaked earlier than those well-known tapetum-specific genes, such as TA29, and several genes with the classic cis-regulatory element 'anther-box' in petunia during its anther development...
June 9, 2017: Plant Cell Reports
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