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ZmZHOUPI,an endosperm‐specific basic helix–loop–helix transcription factor involved in maize seed development 下载免费PDF全文
Aurélie Grimault Ghislaine Gendrot Sophy Chamot Thomas Widiez Hervé Rabillé Marie‐France Gérentes Audrey Creff Johanne Thévenin Bertrand Dubreucq Nathalie Depège‐Fargeix 《The Plant journal : for cell and molecular biology》2015,84(3):574-586
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ZmSTK1 and ZmSTK2, encoding receptor‐like cytoplasmic kinase,are involved in maize pollen development with additive effect 下载免费PDF全文
Chen Liu Wenjuan Ma Meiming Chen Kuichen Liu Fengchun Cai Guohong Wang Zhengyi Wei Min Jiang Zaochang Liu Ansar Javeed Feng Lin 《Plant biotechnology journal》2018,16(8):1402-1414
Pollen germination and pollen tube growth are important physiological processes of sexual reproduction of plants and also are involved in signal transduction. Our previous study reveals that ZmSTK1 and ZmSTK2 are two receptor‐like cytoplasmic kinases (RLCK) homologs in Zea mays as members of receptor‐like protein kinase (RLK) subfamily, sharing 86% identity at the amino acid level. Here, we report that ZmSTK1 and ZmSTK2, expressed at late stages of pollen development, regulate maize pollen development with additive effect. ZmSTK1 or ZmSTK2 mutation exhibited severe pollen transmission deficiency, which thus influenced pollen fertility. Moreover, the kinase domains of ZmSTKs were cross‐interacted with C‐terminus of enolases detected by co‐immunoprecipitation (Co‐IP) and yeast two‐hybrid system (Y2H), respectively. Further, the detective ZmSTK1 or ZmSTK2 was associated with decreased activity of enolases and also reduced downstream metabolite contents, which enolases are involved in glycolytic pathway, such as phosphoenolpyruvate (PEP), pyruvate, ADP/ATP, starch, glucose, sucrose and fructose. This study reveals that ZmSTK1 and ZmSTK2 regulate maize pollen development and indirectly participate in glycolytic pathway. 相似文献
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Susan K. Boehlein Peng Liu Ashley Webster Camila Ribeiro Masaharu Suzuki Shan Wu Jiahn‐Chou Guan Jon D. Stewart William F. Tracy A. Mark Settles Donald R. McCarty Karen E. Koch Larkin C. Hannah Tracie A. Hennen‐Bierwagen Alan M. Myers 《The Plant journal : for cell and molecular biology》2019,99(1):23-40
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The maize transcription factor EREB58 mediates the jasmonate‐induced production of sesquiterpene volatiles 下载免费PDF全文
Shengyan Li Hai Wang Fengqi Li Zhongliang Chen Xiuying Li Li Zhu Guirong Wang Jingjuan Yu Dafang Huang Zhihong Lang 《The Plant journal : for cell and molecular biology》2015,84(2):296-308
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Global analysis of canola genes targeted by SHORT HYPOCOTYL UNDER BLUE 1 during endosperm and embryo development 下载免费PDF全文
Huanan Zhang Feng Cheng Yuguo Xiao Xiaojun Kang Xiaowu Wang Rui Kuang Min Ni 《The Plant journal : for cell and molecular biology》2017,91(1):158-171
Seed development in dicots includes early endosperm proliferation followed by growth of the embryo to replace the endosperm. Endosperm proliferation in dicots not only provides nutrient supplies for subsequent embryo development but also enforces a space limitation, influencing final seed size. Overexpression of Arabidopsis SHORT HYPOCOTYL UNDER BLUE1::uidA (SHB1:uidA) in canola produces large seeds. We performed global analysis of the canola genes that were expressed and influenced by SHB1 during early endosperm proliferation at 8 days after pollination (DAP) and late embryo development at 13 DAP. Overexpression of SHB1 altered the expression of 973 genes at 8 DAP and 1035 genes at 13 DAP. We also surveyed the global SHB1 association sites, and merging of these sites with the RNA sequencing data identified a set of canola genes targeted by SHB1. The 8‐DAP list includes positive and negative genes that influence endosperm proliferation and are homologous to Arabidopsis MINI3, IKU2, SHB1, AGL62, FIE and AP2. We revealed a major role for SHB1 in canola endosperm development based on the dynamics of SHB1‐altered gene expression, the magnitude of SHB1 chromatin immunoprecipitation enrichment and the over‐representation of eight regulatory genes for endosperm development. Our studies focus on an important agronomic trait in a major crop for global agriculture. The datasets on stage‐specific and SHB1‐induced gene expression and genes targeted by SHB1 also provide a useful resource in the field of endosperm development and seed size engineering. Our practices in an allotetraploid species will impact similar studies in other crop species. 相似文献
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Peng Wang Steven Kelly Jim P. Fouracre Jane A. Langdale 《The Plant journal : for cell and molecular biology》2013,75(4):656-670
Photosynthesis underpins the viability of most ecosystems, with C4 plants that exhibit ‘Kranz’ anatomy being the most efficient primary producers. Kranz anatomy is characterized by closely spaced veins that are encircled by two morphologically distinct photosynthetic cell types. Although Kranz anatomy evolved multiple times, the underlying genetic mechanisms remain largely elusive, with only the maize scarecrow gene so far implicated in Kranz patterning. To provide a broader insight into the regulation of Kranz differentiation, we performed a genome‐wide comparative analysis of developmental trajectories in Kranz (foliar leaf blade) and non‐Kranz (husk leaf sheath) leaves of the C4 plant maize. Using profile classification of gene expression in early leaf primordia, we identified cohorts of genes associated with procambium initiation and vascular patterning. In addition, we used supervised classification criteria inferred from anatomical and developmental analyses of five developmental stages to identify candidate regulators of cell‐type specification. Our analysis supports the suggestion that Kranz anatomy is patterned, at least in part, by a SCARECROW/SHORTROOT regulatory network, and suggests likely components of that network. Furthermore, the data imply a role for additional pathways in the development of Kranz leaves. 相似文献
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Brett Burdo John Gray Mary P. Goetting‐Minesky Bettina Wittler Matthew Hunt Tai Li David Velliquette Julie Thomas Irene Gentzel Michael dos Santos Brito Maria Katherine Mejía‐Guerra Layne N. Connolly Dalya Qaisi Wei Li Maria I. Casas Andrea I. Doseff Erich Grotewold 《The Plant journal : for cell and molecular biology》2014,80(2):356-366
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Emp10 encodes a mitochondrial PPR protein that affects the cis‐splicing of nad2 intron 1 and seed development in maize 下载免费PDF全文
Manjun Cai Shuzhen Li Feng Sun Qin Sun Hailiang Zhao Xuemei Ren Yanxin Zhao Bao‐Cai Tan Zuxin Zhang Fazhan Qiu 《The Plant journal : for cell and molecular biology》2017,91(1):132-144
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Andri Visser Hannalene du Plessis Annemie Erasmus Johnnie Van den Berg 《Entomologia Experimentalis et Applicata》2019,167(10):849-867
The sustainability of genetically engineered insecticidal Bacillus thuringiensis Berliner (Bt) maize, Zea mays L. (Poaceae), is threatened by the evolution of resistance by target pest species. Several Lepidoptera species have evolved resistance to Cry proteins expressed by Bt maize over the last decade, including the African maize stem borer, Busseola fusca (Fuller) (Lepidoptera: Noctuidae). The insect resistance management (IRM) strategy (i.e., the high‐dose/refuge strategy) deployed to delay resistance evolution is grounded on certain assumptions about the biology and ecology of a pest species, for example, the interactions between the insect pest and crop plants. Should these assumptions be violated, the evolution of resistance within pest populations will be rapid. This study evaluated the assumption that B. fusca adults and larvae select and colonize maize plants at random, and do not show any preference for either Bt or non‐Bt maize. Gravid female B. fusca moths of a resistant and susceptible population were subjected to two‐choice oviposition preference tests using stems of Bt and non‐Bt maize plants. Both the number of egg batches as well as the total number of eggs laid on each stem were recorded. The feeding preference of Bt‐resistant and susceptible neonate B. fusca larvae were evaluated in choice test bioassays with whorl leaf samples of specific maize cultivars. Although no differential oviposition preference was observed for either resistant or susceptible female moths, leaf damage ratings indicated that neonate larvae were able to detect Bt toxins and that they displayed feeding avoidance behaviour on Bt maize leaf samples. 相似文献
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Anja Schmidt Heike J. P. Wöhrmann Michael T. Raissig Julia Arand Jacqueline Gheyselinck Valeria Gagliardini Christian Heichinger Joern Walter Ueli Grossniklaus 《The Plant journal : for cell and molecular biology》2013,73(5):776-787
In flowering plants, double fertilization of the female gametes, the egg and the central cell, initiates seed development to give rise to a diploid embryo and the triploid endosperm. In the absence of fertilization, the FERTILIZATION‐INDEPENDENT SEED Polycomb Repressive Complex 2 (FIS‐PRC2) represses this developmental process by histone methylation of certain target genes. The FERTILIZATION‐INDEPENDENT SEED (FIS) class genes MEDEA (MEA) and FERTILIZATION‐INDEPENDENT ENDOSPERM (FIE) encode two of the core components of this complex. In addition, DNA methylation establishes and maintains the repression of gene activity, for instance via DNA METHYLTRANSFERASE1 (MET1), which maintains methylation of symmetric CpG residues. Here, we demonstrate that Arabidopsis MET1 interacts with MEA in vitro and in a yeast two‐hybrid assay, similar to the previously identified interaction of the mammalian homologues DNMT1 and EZH2. MET1 and MEA share overlapping expression patterns in reproductive tissues before and after fertilization, a prerequisite for an interaction in vivo. Importantly, a much higher percentage of central cells initiate endosperm development in the absence of fertilization in mea‐1/MEA; met1‐3/MET1 as compared to mea‐1/MEA mutant plants. In addition, DNA methylation at the PHERES1 and MEA loci, imprinted target genes of the FIS‐PRC2, was affected in the mea‐1 mutant compared with wild‐type embryos. In conclusion, our data suggest a mechanistic link between two major epigenetic pathways involved in histone and DNA methylation in plants by physical interaction of MET1 with the FIS‐PRC2 core component MEA. This concerted action is relevant for the repression of seed development in the absence of fertilization. 相似文献
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Design of an optimal promoter involved in the heat‐induced transcriptional pathway in Arabidopsis,soybean, rice and maize 下载免费PDF全文
Kyonoshin Maruyama Takuya Ogata Norihito Kanamori Kyouko Yoshiwara Shingo Goto Yoshiharu Y. Yamamoto Yuko Tokoro Chihiro Noda Yuta Takaki Hiroko Urawa Satoshi Iuchi Kaoru Urano Takuhiro Yoshida Tetsuya Sakurai Mikiko Kojima Hitoshi Sakakibara Kazuo Shinozaki Kazuko Yamaguchi‐Shinozaki 《The Plant journal : for cell and molecular biology》2017,89(4):671-680