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Plant Cell Reports

K Sykłowska-Baranek, W Rymaszewski, M Gaweł, P Rokicki, M Pilarek, M Grech-Baran, J Hennig, A Pietrosiuk
Two lines of Taxus × media hairy roots harbouring or not the TXS transgene demonstrated diverse gene expression and taxane yield during cultivation in PFD-supported two liquid-phase culture system. Two lines of Taxus × media hairy roots were subjected to single or twice-repeated supplementation with methyl jasmonate, sodium nitroprusside, L-phenylalanine, and sucrose feeding. One line harboured transgene of taxadiene synthase (ATMA), while the second (KT) did not. Both hairy root lines were cultured in two-phase culture systems containing perfluorodecalin (PFD) in aerated or degassed form...
November 7, 2018: Plant Cell Reports
Shuguang Bao, Guangshuang Shen, Guichen Li, Zhikang Liu, Muhammad Arif, Qingqing Wei, Shuzhen Men
Loss-of-function of nucleoporin NUP1 in Arabidopsis causes defect in both male and female gametogenesis. Its ovules are arrested during meiosis, and its pollen grains are aborted at mitosis I. Nuclear pore complex (NPC) plays crucial roles in nucleocytoplasmic trafficking of proteins and RNAs. The NPC contains approximately 30 different proteins termed nucleoporins (NUPs). So far, only a few of plant NUPs have been characterized. The Arabidopsis NUP1 was identified as an ortholog of the yeast NUP1 and animal NUP153...
October 19, 2018: Plant Cell Reports
Ken Hoshikawa, Satoshi Fujita, Na Renhu, Kentaro Ezura, Tsuyoshi Yamamoto, Satoko Nonaka, Hiroshi Ezura, Kenji Miura
The new transient protein expression system using the pBYR2HS vector is applicable to several tomato cultivars and wild species with high level of protein expression. Innovation and improvement of effective tools for transient protein expression in plant cells is critical for the development of plant biotechnology. We have created the new transient protein expression system using the pBYR2HS vector that led to about 4 mg/g fresh weight of protein expression in Nicotiana benthamiana. In this study, we validated the adaptability of this transient protein expression system by agroinfiltration to leaves and fruits of several tomato cultivars and wild species...
October 17, 2018: Plant Cell Reports
Rehna Augustine, Naveen C Bisht
Intron-spliced hairpin RNAi construct targeting the exonic region of BjuMYB28 driven by the native promoter is the best suited strategy for developing viable low glucosinolate lines in polyploid Brassica juncea. Targeted silencing of specific homolog(s) of a multigene family in polyploids through RNA interference (RNAi) is a challenging effort. Indian oilseed mustard (Brassica juncea), a natural allotetraploid, is expected to have 4-6 copies of every Arabidopsis gene ortholog. In the current study, we have attempted to establish the best gene silencing system suitable for BjuMYB28, a transcription factor gene, with the objective of developing low seed glucosinolate lines in B...
October 10, 2018: Plant Cell Reports
Ru Bai, Yangyang Luo, Lixin Wang, Jing Li, Kerun Wu, Guifang Zhao, Dong Duan
The structural differences of MYB14 promoter in two grapevine genotypes affect the expression of MYB14 and stilbene synthesis in response to Al3+ and UV-C radiation. Grapevines provide an important fruit crop worldwide, but production is often limited by pathogen infection. Stilbenes, a class of secondary metabolite, represent phytoalexins that contribute to defence against pathogens in many plants, including grapevine. It is known that the transcription factors MYB14 and MYB15 are required for the activation of the promoters of resveratrol synthase to regulate stilbene biosynthesis...
October 9, 2018: Plant Cell Reports
Jeong Hwan Lee, Young-Cheon Kim, Youjin Jung, Ji Hoon Han, Chunying Zhang, Cheol-Won Yun, Sanghyeob Lee
The overexpression of CsBCATs promotes flowering in Arabidopsis by regulating the expression of flowering time genes. The branched-chain amino acid transferases (BCATs) play an important role in the metabolism of branched-chain amino acids (BCAAs), such as isoleucine, leucine, and valine. They function in both the synthesis and the degradation of this class of amino acids. We identified and characterized the three BCAT genes in cucumber (Cucumis sativus L.). The tissue-specific expression profiling in cucumber plants revealed that CsBCAT2 and CsBCAT7 were highly expressed in the reproductive tissues, whereas CsBCAT3 expression was highly detected in the vegetative tissues...
October 8, 2018: Plant Cell Reports
Yanan Liu, Hong Chen, Qi Ping, Zixin Zhang, Zhiyong Guan, Weimin Fang, Sumei Chen, Fadi Chen, Jiafu Jiang, Fei Zhang
CmBBX22, a transcription factor of chrysanthemum, was verified to confer drought tolerance in Arabidopsis thaliana. The BBX proteins are known to operate as regulators of plant growth and development, but as yet their contribution to the abiotic stress response has not been well defined. Here, the chrysanthemum BBX family member CmBBX22, an ortholog of AtBBX22, was found to be transcribed throughout the plant, although at varying intensity, and was induced by imposing moisture deficiency via exposure to polyethylene glycol...
September 20, 2018: Plant Cell Reports
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
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
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
Bingcong Xing, Lijun Liang, Lin Liu, Zhuoni Hou, Dongfeng Yang, Kaijing Yan, Xuemin Zhang, Zongsuo Liang
SmbHLH148 activated the whole biosynthetic pathways of phenolic acids and tanshinones, thus upregulated the production of both the two groups of pharmaceutical ingredients in Salvia miltiorrhiza. Phenolic acids and tanshinones are the two important groups of pharmaceutical ingredients presented in Salvia miltiorrhiza Bunge. The bHLH transcription factors could regulate secondary metabolism efficiently in plants. However, there are only some MYCs have been studied on regulation of either phenolic acids or tanshinones biosynthesis...
December 2018: Plant Cell Reports
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...
December 2018: Plant Cell Reports
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...
December 2018: Plant Cell Reports
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...
December 2018: Plant Cell Reports
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...
December 2018: Plant Cell Reports
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...
December 2018: Plant Cell Reports
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...
December 2018: Plant Cell Reports
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...
December 2018: Plant Cell Reports
Kulbhushan Chaudhary
This approach is quite promising to control plant viral diseases and create synthetic networks to better understand the structure/function relationship in RNA and proteins. Plant viruses are obligate intracellular parasites which causes enormous losses in crop yield worldwide. These viruses replicate into infected cells by highjacking host cellular machinery. Over the last two decades, diverse approaches such as conventional breeding, transgenic approach and gene silencing strategies have been used to control RNA viruses, but escaped due to high rate of mutation...
December 2018: Plant Cell Reports
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)...
November 2018: Plant Cell Reports
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