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Plant Cell Reports

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https://www.readbyqxmd.com/read/30196331/plant-metabolic-engineering-in-the-synthetic-biology-era-plant-chassis-selection
#1
EDITORIAL
C Neal Stewart, Nicola Patron, Andrew D Hanson, Joseph M Jez
No abstract text is available yet for this article.
September 8, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/30191311/comparative-transcriptome-analysis-shows-the-defense-response-networks-regulated-by-mir482b
#2
Ning Jiang, Jun Cui, Guanglei Yang, Xiaoli He, Jun Meng, Yushi Luan
The transcriptomic profile in the leaves of miR482b-overexpressing tomato plants revealed that miR482b may suppress alpha-linolenic acid metabolism, cysteine and methionine metabolism, plant-pathogen interaction, and the MAPK pathway to reduce resistance to Phytophthora infestans. Our previous study showed that tomato miR482b acted as a negative regulator during tomato resistance to Phytophthora infestans by silencing NBS-LRR genes. To investigate pathways related to miR482b, the transcriptomic profile of tomato plants that overexpressed miR482b was constructed...
September 6, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/30182298/the-effect-of-auxin-and-strigolactone-on-atp-adp-isopentenyltransferase-expression-and-the-regulation-of-apical-dominance-in-peach
#3
MinJi Li, Qinping Wei, Yuansong Xiao, FuTian Peng
We confirmed the roles of auxin, CK, and strigolactones in apical dominance in peach and established a model of plant hormonal control of apical dominance in peach. Auxin, cytokinin, and strigolactone play important roles in apical dominance. In this study, we analyzed the effect of auxin and strigolactone on the expression of ATP/ADP isopentenyltransferase (IPT) genes (key cytokinin biosynthesis genes) and the regulation of apical dominance in peach. After decapitation, the expression levels of PpIPT1, PpIPT3, and PpIPT5a in nodal stems sharply increased...
September 4, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/30178214/plant-growth-promoting-bacteria-role-in-soil-improvement-abiotic-and-biotic-stress-management-of-crops
#4
REVIEW
Abdul Majeed, Zahir Muhammad, Habib Ahmad
Agricultural production-a major contributing factor towards global food supply-is highly reliant on field crops which are under severe threats ranging from poor soil quality, biotic, abiotic stresses and changing climatic conditions. To overcome these challenges, larger exertions are required to boost production of agricultural crops in a defensible mode. Since the evolution of fertilizers and pesticides, global crop productivity has experienced an unprecedented elevation, but at the cost of environmental and ecological unsustainability...
September 3, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/30159598/multiplex-qtl-editing-of-grain-related-genes-improves-yield-in-elite-rice-varieties
#5
Jianping Zhou, Xuhui Xin, Yao He, Hongqiao Chen, Qian Li, Xu Tang, Zhaohui Zhong, Kejun Deng, Xuelian Zheng, Sayed Abdul Akher, Guangze Cai, Yiping Qi, Yong Zhang
Significant yield increase has been achieved by simultaneous introduction of three trait-related QTLs in three rice varieties with multiplex editing by CRISPR-Cas9. Using traditional breeding approaches to develop new elite rice varieties with high yield and superior quality is challenging. It usually requires introduction of multiple trait-related quantitative trait loci (QTLs) into an elite background through multiple rounds of crossing and selection. CRISPR-Cas9-based multiplex editing of QTLs represents a new breeding strategy that is straightforward and cost effective...
August 29, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/30155560/correction-to-instability-of-endosperm-development-in-amphiploids-and-their-parental-species-in-the-genus-avena-l
#6
Paulina Tomaszewska, Romuald Kosina
The article 'Instability of endosperm development in amphiploids and their parental species in the genus Avena L.', written by Paulina Tomaszewska and Romuald Kosina, was originally published electronically on the publisher's internet portal on 22 May with an incorrect copyright line. As the article was due to be published with Open Choice, the copyright of the article changed on 29 August 2018 to
August 28, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/30151559/osndufa9-encoding-a-mitochondrial-complex-i-subunit-is-essential-for-embryo-development-and-starch-synthesis-in-rice
#7
Tingting Hu, Yunlu Tian, Jianping Zhu, Yunlong Wang, Ruonan Jing, Jie Lei, Yinglun Sun, Yanfang Yu, Jingfang Li, Xiaoli Chen, Xiaopin Zhu, Yuanyuan Hao, Linglong Liu, Yihua Wang, Jianmin Wan
Loss of function of a mitochondrial complex I subunit (OsNDUFA9) causes abnormal embryo development and affects starch synthesis by altering the expression of starch synthesis-related genes and proteins. Proton-pumping NADH: ubiquinone oxidoreductase (also called complex I) is thought to be the largest and most complicated enzyme of the mitochondrial respiratory chain. Mutations of complex I subunits have been revealed to link with a number of growth inhibitions in plants. However, the function of complex I subunits in rice remains unclear...
August 27, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/30167804/triticum-urartu-mtp1-its-ability-to-maintain-zn-2-and-co-2-homeostasis-and-metal-selectivity-determinants
#8
Fan-Hong Wang, Kun Qiao, Shuang Liang, Si-Qi Tian, Yan-Bao Tian, Hong Wang, Tuan-Yao Chai
TuMTP1 maintains Zn2+ and Co2+ homeostasis by sequestering excess Zn2+ and Co2+ into vacuoles. The mutations NSEDD/VTVTT in the His-rich loop and I119F in TMD3 of TuMTP1 restrict metal selectivity. Mineral nutrients, such as zinc (Zn) and cobalt (Co), are essential or beneficial for plants but can be toxic at elevated levels. Metal tolerance proteins (MTPs) are plant members of the cation diffusion facilitator (CDF) transporter family involved in cellular metal homeostasis. However, the determinants of substrate selectivity have not been clarified due to the diversity of MTP1 substrates in various plants...
August 24, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/30167805/genome-editing-in-diatoms-achievements-and-goals
#9
REVIEW
Peter G Kroth, Atle M Bones, Fayza Daboussi, Maria I Ferrante, Marianne Jaubert, Misha Kolot, Marianne Nymark, Carolina Río Bártulos, Andrés Ritter, Monia T Russo, Manuel Serif, Per Winge, Angela Falciatore
Diatoms are major components of phytoplankton and play a key role in the ecology of aquatic ecosystems. These algae are of great scientific importance for a wide variety of research areas, ranging from marine ecology and oceanography to biotechnology. During the last 20 years, the availability of genomic information on selected diatom species and a substantial progress in genetic manipulation, strongly contributed to establishing diatoms as molecular model organisms for marine biology research. Recently, tailored TALEN endonucleases and the CRISPR/Cas9 system were utilized in diatoms, allowing targeted genetic modifications and the generation of knockout strains...
August 23, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/30132058/endoreplication-and-its-consequences-in-the-suspensor-of-pisum-sativum
#10
Agnieszka Chmielnicka, Aneta Żabka, Konrad Winnicki, Janusz Maszewski, Justyna Teresa Polit
DNA replication and continuous process of transcription during ongoing amitotic division accelerate the development of four-celled pea suspensor containing nuclei which create transient gradient of polyploidy necessary for correct embryo development. A suspensor, the link between embryo proper and surrounding tissues, differs significantly in size, morphology, and degree of polyploidy among the species. The suspensor of Pisum sativum consists of four polynuclear cells (two hemispherical and two elongated) formed in two layers...
August 21, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/30099612/overexpressing-heat-shock-protein-oshsp50-2-improves-drought-tolerance-in-rice
#11
Jianhua Xiang, Xinbo Chen, Wei Hu, Yanci Xiang, Mingli Yan, Jieming Wang
OsHSP50.2, an HSP90 family gene up-regulated by heat and osmotic stress treatments, positively regulates drought stress tolerance probably by modulating ROS homeostasis and osmotic adjustment in rice. Heat-shock proteins (HSPs) serve as molecular chaperones for a variety of client proteins in abiotic stress response and play pivotal roles in protecting plants against stress, but the molecular mechanism remains largely unknown. Here, we report an HSP90 family gene, OsHSP50.2, which acts as a positive regulator in drought stress tolerance in rice (Oryza sativa)...
August 11, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/30099611/the-wheat-tdrl1-is-the-functional-homolog-of-the-rice-rss1-and-promotes-plant-salt-stress-tolerance
#12
Habib Mahjoubi, Yutaka Tamari, Shin Takeda, Oumaya Bouchabké-Coussa, Moez Hanin, Etienne Herzog, Anne-Catherine Schmit, Marie-Edith Chabouté, Chantal Ebel
Rice rss1 complementation assays show that wheat TdRL1 and RSS1 are true functional homologs. TdRL1 over-expression in Arabidopsis conferred salt stress tolerance and alleviated ROS accumulation. Plants have developed highly flexible adaptive responses to their ever-changing environment, which are often mediated by intrinsically disordered proteins (IDP). RICE SALT SENSITIVE 1 and Triticum durum RSS1-Like 1 protein (TdRL1) are both IDPs involved in abiotic stress responses, and possess conserved D and DEN-Boxes known to be required for post-translational degradation by the APC/Ccdc20 cyclosome...
August 11, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/30099610/physiological-and-transcriptomic-responses-of-reproductive-stage-soybean-to-drought-stress
#13
Congshan Xu, Chao Xia, Zhiqiang Xia, Xiangjun Zhou, Jing Huang, Zhiqiang Huang, Yan Liu, Yiwei Jiang, Shaun Casteel, Cankui Zhang
The dynamic alterations of the physiological and molecular processes in reproductive stage soybean indicated the dramatic impact caused by drought. Drought is a major abiotic stress that limits soybean (Glycine max) production. Most prior studies were focused on either model species or crops that are at their vegetative stages. It is known that the reproductive stage of soybean is more susceptible to drought. Therefore, an understanding on the responsive mechanisms during this stage will not only be important for basic plant physiology, but the knowledge can also be used for crop improvement via either genetic engineering or molecular breeding...
August 11, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/30097677/correction-to-increasing-the-synthesis-of-bioactive-abietane-diterpenes-in-salvia-sclarea-hairy-roots-by-elicited-transcriptional-reprogramming
#14
M C Vaccaro, M Alfieri, N Malafronte, N De Tommasi, A Leone
Unfortunately, the second author name was wrongly published in the original publication. The correct author name should read as follows.
August 10, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/30083958/cyclopropane-fatty-acid-biosynthesis-in-plants-phylogenetic-and-biochemical-analysis-of-litchi-kennedy-pathway-and-acyl-editing-cycle-genes
#15
Jay Shockey, David Kuhn, Tao Chen, Heping Cao, Barbara Freeman, Catherine Mason
This report describes the most extensive known gene discovery study from an oilseed that produces cyclopropane fatty acids, a novel industrial feedstock. Nature contains hundreds of examples of plant species that accumulate unusual fatty acids in seed triacylglycerols (TAG). Although lipid metabolic genes have been cloned from several exotic plant species, the underlying mechanisms that control the production of novel TAG species are still poorly understood. One such class of unusual fatty acids contain in-chain cyclopropane or cyclopropene functionalities that confer chemical and physical properties useful in the synthesis of lubricants, cosmetics, dyes, coatings, and other types of valuable industrial feedstocks...
August 6, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/30062625/salt-stress-alleviation-in-citrus-plants-by-plant-growth-promoting-rhizobacteria-pseudomonas-putida-and-novosphingobium-sp
#16
Vicente Vives-Peris, Aurelio Gómez-Cadenas, Rosa María Pérez-Clemente
This work reveals the protective role of two rhizobacteria, Pseudomonas putida and Novosphingobium sp., on citrus plants subjected to salt stress conditions. Detrimental salt stress effects on crops are likely to increase due to climate change reducing the quality of irrigation water. Plant growth-promoting rhizobacteria (PGPRs) can mitigate stress-induced damage in plants cultivated under high salinity conditions. In this work, Citrus macrophylla (alemow) plants inoculated with the rhizobacteria Pseudomonas putida KT2440 or Novosphingobium sp...
July 30, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/30056500/effects-of-cadmium-stress-on-the-antioxidant-system-and-chlorophyll-fluorescence-characteristics-of-two-taxodium-clones
#17
Ying-Li Ma, Hui-Fang Wang, Ping Wang, Chao-Guang Yu, Si-Qian Luo, Yu-Feng Zhang, Yin-Feng Xie
The T.118 and T.406 seedlings showed strong adaptability under Cd concentrations ≤ 50 µM. The mechanisms of photoprotection in T.118 and T.406 differed in high-Cd concentrations. To explore the physiological response characteristics of Taxodium hybrids to cadmium (Cd) stress and provide basis for screening of Cd-tolerant species, the hydroponic cultivation of T.118 and T.406 seedlings was conducted to demonstrate the effects of Cd stress on seedling growth, antioxidant system, and chlorophyll fluorescence parameters...
July 28, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/30051285/thidiazuron-induced-abnormalities-in-plant-tissue-cultures
#18
REVIEW
Yaser Hassan Dewir, Nurmansyah, Yougasphree Naidoo, Jaime A Teixeira da Silva
Thidiazuron (TDZ) is a proven effective and potent synthetic plant growth regulator for organogenic, regeneration, and developmental pathways, including axillary and adventitious shoot proliferation, somatic embryogenesis, and in vitro flowering. TDZ has facilitated the establishment of in vitro cultures for several plant species, especially woody and recalcitrant plants, which has enabled their genetic transformation and improvement. Despite the effectiveness and advantages of using TDZ, several drawbacks are associated with its application in plant tissue culture...
July 26, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/30039465/the-plastid-genome-as-a-chassis-for-synthetic-biology-enabled-metabolic-engineering-players-in-gene-expression
#19
REVIEW
Heidi S Schindel, Agnieszka A Piatek, C Neal Stewart, Scott C Lenaghan
Owing to its small size, prokaryotic-like molecular genetics, and potential for very high transgene expression, the plastid genome (plastome) is an attractive plant synthetic biology chassis for metabolic engineering. The plastome exists as a homogenous, compact, multicopy genome within multiple-specialized differentiated plastid compartments. Because of this multiplicity, transgenes can be highly expressed. For coordinated gene expression, it is the prokaryotic molecular genetics that is an especially attractive feature...
July 23, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/30039464/rapid-transient-protein-production-by-the-coat-protein-deficient-cucumber-mosaic-virus-vector-non-packaged-cmv-system-nopacs
#20
Noriho Fukuzawa, Chikara Masuta, Takeshi Matsumura
We developed a non-packaged CMV system (NoPaCS) for CMV-agroinfection with a virus-inescapable transgenic plant platform, enabling rapid, high production of a large-sequence target protein. For rapidly producing high levels of a desirable protein, many plant virus vectors have been developed. However, there is always a concern that such recombinant viruses may escape into the environment. Especially for insect-transmissible viruses, certain measures must be taken. We here developed a new cucumber mosaic virus (CMV) RNA 3-based vector that is not transmitted by aphids because we deleted the coat protein (CP) gene responsible for aphid transmission and replaced it with a foreign gene...
July 23, 2018: Plant Cell Reports
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