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Plant Cell Reports

Joon-Yung Cha, Da-Yeon Lee, Imdad Ali, Song Yi Jeong, Bobae Shin, Hyunjung Ji, Jung Sun Kim, Min-Gab Kim, Woe-Yeon Kim
Arabidopsis GI negatively regulates chloroplast biogenesis and resistance to the herbicide butafenacil by enhanced activity and transcriptional levels of antioxidant enzymes Chloroplast biogenesis is blocked by retrograde signaling triggered by diverse internal and external cues, including sugar, reactive oxygen species (ROS), phytohormones, and abiotic stress. Efficient chloroplast biogenesis is essential for crop productivity due to its effect on photosynthetic efficiency, and is associated with agronomic traits such as insect/disease resistance, herbicide resistance, and abiotic stress tolerance...
April 9, 2019: Plant Cell Reports
Lianfu Tian, Zijing Xie, Changqing Lu, Xiaohua Hao, Sha Wu, Yuan Huang, Dongping Li, Liangbi Chen
The TPS5 negatively regulates ABA signaling by mediating ROS level and NR activity during seed germination and stomatal closure in Arabidopsis thaliana. Trehalose metabolism is important in plant growth and development and in abiotic stress response. Eleven TPS genes were identified in Arabidopsis, divided into Class I (TPS1-TPS4) and Class II (TPS5-TPS11). Although Class I has been shown to have TPS activity, the function of most members of Class II remains enigmatic. Here, we characterized the biological function of the trehalose-6-phosphate synthase TPS5 in ABA signaling in Arabidopsis...
April 8, 2019: Plant Cell Reports
Dávid Polgári, Edit Mihók, László Sági
Statistical analysis of the chromosomal composition in a population of 210 primary plants regenerated from two intergeneric wheat-barley cross combinations revealed the random nature of uniparental elimination for barley chromosomes. Uniparental chromosome elimination is a common process in interspecific and intergeneric cereal hybrids. To characterize the frequency of paternal chromosomes, a population of 218 independent green plants was generated from two wheat (♀) × barley (♂) cross combinations via embryo rescue...
April 6, 2019: Plant Cell Reports
Magda Lisette Arce-Rodríguez, Neftalí Ochoa-Alejo
The most widely known characteristic of chili pepper fruits is their capacity to produce capsaicinoids, which are responsible for the pungent sensation. The capsaicinoids have several uses in different areas, such as the pharmaceutical, cosmetic and agronomic industries, among others. They are synthesized by the condensation of vanillylamine (derived from phenylalanine) with a branched-chain fatty acid (from valine or leucine precursors), and they generally accumulate in the placental tissue of the chili pepper fruits...
April 2, 2019: Plant Cell Reports
Tianya Wang, Qiming Jia, Wei Wang, Saddam Hussain, Sajjad Ahmed, Adnan, Dao-Xiu Zhou, Zhongfu Ni, Shucai Wang
Histone acetyltransferase GCN5 affects trichome initiation via mediating the expression of some core trichome initiation regulator genes in Arabidopsis. GENERAL CONTROL NON-REPRESSED PROTEIN5 (GCN5), a histone acetyltransferase involved in the regulation of cell differentiation, organ development, secondary metabolism, and plant responses to abiotic stresses, has recently been shown to modulate trichome branching in Arabidopsis. Here, we provide evidence that GCN5 is also involved in the regulation of trichome initiation...
March 29, 2019: Plant Cell Reports
Günther Hahne, Laurence Tomlinson, Fabien Nogué
No abstract text is available yet for this article.
March 28, 2019: Plant Cell Reports
Thi Thu Huong Khuong, Christophe Robaglia, Stefano Caffarri
Arabidopsis single and double mutants for energy dissipation (npq4) and state transitions (pph1, blocked in State II) show enhanced growth and flowers + siliques production under controlled low-light conditions. Non-photochemical quenching (NPQ) is a short-term regulation important to maintain efficient photosynthesis and to avoid photooxidative damages by dissipation of excess energy. Full activation of NPQ in plants requires the protonation of the PsbS protein, which is the sensor of the low lumenal pH triggering the thermal dissipation...
March 26, 2019: Plant Cell Reports
Kai Fan, Min Wang, Yaoyao Gao, Qiuyan Ning, Yuanzhi Shi
Transcriptome profiling of roots indicated that genes involved in cell wall modification, cytoskeleton, H+ exchange and K+ influx played important roles in tea root growth under Al addition. Tea (Camellia sinensis) is considered as an Al accumulator species. It can accumulate a high concentration of Al in mature leaves without any symptom of toxicity, even improve roots' growth and nutrient uptake. However, the molecular mechanisms underlying this tolerance remain unclear. Here, we investigated the accumulation of elements and transcriptional profiles in tea roots treated with various Al doses...
March 25, 2019: Plant Cell Reports
Xiao-Lu Yu, Hai-Yan Wang, David W M Leung, Zhi-Dan He, Jian-Jun Zhang, Xin-Xiang Peng, E-E Liu
OsIAAGLU could catalyze the reaction of IAA with glucose to generate IAA-glucose. Overexpression of OsIAAGLU in rice resulted in altered rice shoot architecture and root gravitropism. The distribution and levels of indole-3-acetic acid (IAA) within plant tissues are well known to play vital roles in plant growth and development. An important mechanism of regulating free IAA levels in monocots is formation of IAA ester conjugates. In this study, a cytosol-localized protein encoded by the rice gene of indole-3-acetic acid glucosyltransferase (OsIAAGLU) was found to catalyze the reaction of free IAA with glucose to generate IAA-glucose...
March 22, 2019: Plant Cell Reports
Wei-Jie Chen, Xue Wang, Sa Yan, Xi Huang, Hong-Mei Yuan
An ICE-like transcription factor mediates jasmonate-regulated cold tolerance in the rubber tree (Hevea brasiliensis), and confers cold tolerance in transgenic Arabidopsis. The rubber tree (Hevea brasiliensis) is susceptible to low temperatures, and understanding the mechanisms regulating cold stress is of great potential value for enhancing tolerance to this environmental variable. In this study, we find that treatment with exogenous methyl jasmonate (MeJA) could significantly enhance Hevea brasiliensis cold tolerance...
March 4, 2019: Plant Cell Reports
Yan-Chao Han, Chang-Chun Fu
MaC2H2s are involved in cold stress response of banana fruit via repressing the transcription of MaICE1. Although C2H2 zinc finger proteins have been found to be involved in banana fruit ripening through transcriptional controlling of ethylene biosynthetic genes, their involvement in cold stress of banana remains elusive. In this study, another C2H2-ZFP gene from banana fruit was identified, which was named as MaC2H2-3. Gene expression analysis revealed that MaC2H2-1, MaC2H2-2 and MaC2H2-3 were cold inducible in the peel of banana during low temperature storage...
March 2, 2019: Plant Cell Reports
Maohong Cai, Saihua Chen, Mingming Wu, Tianhui Zheng, Liang Zhou, Chaonan Li, Huan Zhang, Jiachang Wang, Xinyang Xu, Juntao Chai, Yulong Ren, Xiuping Guo, Xin Zhang, Cailin Lei, Zhijun Cheng, Jie Wang, Ling Jiang, Huqu Zhai, Haiyang Wang, Shanshan Zhu, Jianmin Wan
EH7/Ghd7 interacts with DTH8, and regulates heading date by controlling the expression of Ehd1 in rice. Heading date, or flowering time, an important agronomic trait, influences regional adaptability and yield of crops. Many genes related to heading date in rice have been identified, and a preliminary regulatory network has been established, but the relationships between proteins involved are poorly understood. We identified a flowering suppressor EH7 (Early heading 7) that represses flowering under long-day (LD) conditions...
February 21, 2019: Plant Cell Reports
Sukumar Biswas, Rong Li, Zheng Yuan, Dabing Zhang, Xiangxiang Zhao, Jianxin Shi
Two methods, PCR and amplicon labeling based, were developed and successfully applied to reliably detect CRISPR/Cas9 induced indels in rice. The use of CRISPR/Cas9 has emerged as a powerful nuclease-based genome editing tool in several model organisms including plants for mutagenesis by inducing precise gene editing through efficient double strand DNA breaks (DSBs) at the target site and subsequent error-prone non-homologous end joining (NHEJ) repair, leading to indel mutations. Different molecular methods including enzymatic mismatch cleavage (EMC), high-resolution melting curve analysis (HRMA) and conventional polymerase chain reaction (PCR) combined with ligation detection reaction (LDR) have been developed to quick identify CRISPR/Cas9 induced mutations...
February 19, 2019: Plant Cell Reports
Jan Kubes, Milan Skalicky, Lenka Tumova, Jan Martin, Vaclav Hejnak, Jaroslava Martinkova
Vanadium compounds increased the content and release of distinct isoflavones in a Trifolium pratense suspension culture. Regarding transport-mechanism inhibitors, the process was mostly facilitated by ABC proteins and vesicular transport. The transport of isoflavones and other secondary metabolites is an important part of metabolism within plants and cultures in vitro regarding their role in defence against various abiotic and biotic stressors. This research focuses on the way how to increase production and exudation of isoflavones by application of chemical elicitor and the basic identification of their transport mechanisms across cell membranes...
February 15, 2019: Plant Cell Reports
Guohu Chen, Fanli Zeng, Jian Wang, Xinyu Ye, Shidong Zhu, Lingyun Yuan, Jinfeng Hou, Chenggang Wang
We developed a novel Agrobacterium-mediated anther transformation for Wucai in planta, and in this procedure, the male germ line was the predominant target. Wucai (Brassica campestris L.), a variant of non-heading Chinese cabbage, is widely cultured in China and only improved by classic breeding methods. Here, a novel and efficient in planta Agrobacterium-mediated anther transformation method is developed based on the optimization of several factors that affect anther transformation. After optimization, transformation with the manual pollination application led to increased transient GUS expression in anthers (reaching 91...
February 13, 2019: Plant Cell Reports
Mao Hua-Ying, Wang Wen-Ju, Su Wei-Hua, Su Ya-Chun, Liu Feng, Li Cong-Na, Wang Ling, Zhang Xu, Xu Li-Ping, Que You-Xiong
Six Sec14-like PITP genes from sugarcane were identified, two of them were cloned, and their biological functions were characterized indicating their involvement in plant defense against biotic and abiotic stresses. Sec14, a phosphatidylinositol transfer protein (PITP) is widely present in eukaryotes. In this study, the structure and expression patterns of six Sec14-like PITP genes (ScSEC14-1, ScSEC14p, ScSFH1, ScSFH2, ScPATL1, and ScPATL2) from sugarcane were analyzed, and two of them (ScSEC14-1 and ScSEC14p) were cloned and functionally verified...
February 12, 2019: Plant Cell Reports
Maryam Seifikalhor, Sasan Aliniaeifard, Batool Hassani, Vahid Niknam, Oksana Lastochkina
Gamma-aminobutyric acid (GABA), a four-carbon non-protein amino acid, is found in most prokaryotic and eukaryotic organisms. Although, ample research into GABA has occurred in mammals as it is a major inhibitory neurotransmitter; in plants, a role for GABA has often been suggested as a metabolite that changes under stress rather than as a signal, as no receptor or motif for GABA binding was identified until recently and many aspects of its biological function (ranging from perception to function) remain to be answered...
February 9, 2019: Plant Cell Reports
Oksana O Kolachevskaya, Sergey N Lomin, Dmitry V Arkhipov, Georgy A Romanov
The study of the effects of auxins on potato tuberization corresponds to one of the oldest experimental systems in plant biology, which has remained relevant for over 70 years. However, only recently, in the postgenomic era, the role of auxin in tuber formation and other vital processes in potatoes has begun to emerge. This review describes the main results obtained over the entire period of auxin-potato research, including the effects of exogenous auxin; the content and dynamics of endogenous auxins; the effects of manipulating endogenous auxin content; the molecular mechanisms of auxin signaling, transport and inactivation; the role and position of auxin among other tuberigenic factors; the effects of auxin on tuber dormancy; the prospects for auxin use in potato biotechnology...
February 9, 2019: Plant Cell Reports
Thaísa T Pinheiro, Lázaro E P Peres, Eduardo Purgatto, Rodrigo R Latado, Rodolfo A Maniero, Mônica M Martins, Antonio Figueira
Complementation of the "Micro-Tom" tomato tangerine mutant with a Citrus CRTISO allele restores the wild-type fruit carotenoid profile, indicating that the Citrus allele encodes an authentic functional carotenoid isomerase. Citrus fruits are rich in carotenoids; the genus offers a large diversity in composition, yet to be fully explored to improve fruit nutritional quality. As perennial tree species, Citrus lack the resources for functional genetic studies, requiring the use of model plant systems...
February 8, 2019: Plant Cell Reports
Ling Zhang, Yuanyuan Jiang, Yunmei Zhu, Wenbing Su, Ting Long, Tianqi Huang, Jiangrong Peng, Hao Yu, Shunquan Lin, Yongshun Gao
The first report of the cloning and characterization of the flowering time-regulating genes GI and CO homologs from loquat. Flowering time is critical for successful reproduction in plants. In fruit trees, it can also influence the fruit yield and quality. In the previous work, we cloned the important florigen one EdFT and two EdFDs from wild loquat (Eriobotrya deflexa Nakai forma koshunensis); however, the upstream transcription factors are still unknown. The photoperiod pathway genes GIGANTEA (GI) and CONSTANS (CO) have been reported to mainly regulate FT expression in model plants...
February 6, 2019: Plant Cell Reports
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