科技期刊-年份期数的搜索 - 中国科技论文在线

设为首页加入收藏 ENGLISH　

信息速递更多

关于在线

在线简介	服务条款
顾问委员会	主编专栏
部门设置	栏目简介
使用指南	常见问题

数据更新

首发论文共95361篇
优秀学者论文共92625篇
自荐学者论文共31329篇
科技期刊共1286001篇

招聘信息更多

学术监督

高校认可更多

工具下载

您的位置：首页 >> 科技期刊 >> 作物学报(英文版)

作物学报(英文版)

2013年第2期共有论文9篇

上一期

请使用Adobe Reader 阅读全文

论文题目：Molecular approaches unravel the mechanism of acid soil tolerance in plants

全部作者： Miao Biana,b,c, Meixue Zhoua, Dongfa Sunb, Chengdao Lic,

期刊名称：作物学报(英文版) 2013年第2期

论文摘要：Acid soil is a worldwide problemto plant production. Acid toxicity is mainly caused by a lack of essential nutrients in the soil and excessive toxic metals in the plant root zone. Of the toxic metals, aluminum (Al) is the most prevalent and most toxic. Plant species have evolved to variable...[查看全部]

论文摘要：Acid soil is a worldwide problemto plant production. Acid toxicity is mainly caused by a lack of essential nutrients in the soil and excessive toxic metals in the plant root zone. Of the toxic metals, aluminum (Al) is the most prevalent and most toxic. Plant species have evolved to variable levels of tolerance to aluminum enabling breeding of high Al-tolerant cultivars. Physiological and molecular approaches have revealed some mechanisms of Al toxicity in higher plants. Mechanisms of plant tolerance to Al stress include: 1) exclusion of Al from the root tips, and 2) absorbance, but tolerance of Al in root cells. Organic acid exudation to chelate Al is a feature shared by many higher plants. The future challenge for Al tolerance studies is the identification of novel tolerance mechanisms and the combination of different mechanisms to achieve higher tolerance. Molecular approaches have led to significant progress in explaining mechanisms and detection of genes responsible for Al tolerance. Gene-specific molecular markers offer better options for marker-assisted selection in breeding programs than linked marker strategies. This paper mainly focuses on recent progress in the use of molecular approaches in Al tolerance research.[返回]

下载频数：8　　　　　　　上传时间：2014-04-03 　　　　　　　加入收藏

论文题目：Enhanced tolerance to drought in transgenic rice plants overexpressing C4 photosynthesis enzymes

全部作者： Jun-Fei Gu, Ming Qiu, Jian-Chang Yang

期刊名称：作物学报(英文版) 2013年第2期

论文摘要：[查看全部]

论文摘要：[返回]

下载频数：32　　　　　　　上传时间：2014-04-03 　　　　　　　加入收藏

论文题目：Identification and functional analysis of miRNAs in developing kernels of a viviparous mutant in maize

全部作者： Haiping Dinga,1, Jian Gaoa,1, Mao Luob, Hua Pengc, Haijian Lina, Guangsheng Yuana, Yaou Shena, Maojun Zhaod, Guangtang Pana, Zhiming Zhanga,

期刊名称：作物学报(英文版) 2013年第2期

论文摘要：Given the important roles of miRNAs in post-transcriptional gene regulation, identification of differentially expressed miRNAs will facilitate the elucidation of molecular mechanisms underlying kernel development. In this study, we constructed a small RNA library to comprehensively represent the...[查看全部]

论文摘要：Given the important roles of miRNAs in post-transcriptional gene regulation, identification of differentially expressed miRNAs will facilitate the elucidation of molecular mechanisms underlying kernel development. In this study, we constructed a small RNA library to comprehensively represent the full complement of individual small RNAs and to characterize miRNA expression profiles in pooled ears of maize (Zea mays L.) at 10, 15, 20, 22, 25 and 30 days after pollination (DAP). At least 21 miRNAs were differentially expressed. The differential expression of three of these miRNAs, i.e., miR528a, miR167a and miR160b, at each stage was verified by qRT-PCR. The results indicated that these miRNAs might be involved in kernel development. In addition, the predicted functions of target genes indicated that most of the target genes are involved in signal transduction and cell communication pathways, particularly the auxin signaling pathway. The expression of candidate germination-associated miRNAs was analyzed by hybridization to a maize genome microarray, and revealed differential expression of genes involved in plant hormone signaling pathways. This finding suggests that phytohormones play a critical role in the development of maize kernels. We found that in combination with other miRNAs, miR528a regulated a putative laccase, a Ring-H2 zinc finger protein and a MADS box-like protein, whereas miR167a and miR160b regulated multiple target genes, including ARF (auxin response factor), a member of the B3 transcription factor family. All three miRNAs are important for ear germination, development and physiology. The small RNA transcriptomes and mRNA obtained in this study will help us gain a better understanding of the expression and function of small RNAs in the development of maize kernel.[返回]

下载频数：27　　　　　　　上传时间：2014-04-03 　　　　　　　加入收藏

论文题目：Isolation and characterization of an isoamylase gene from rye

全部作者： Ke Zhenga,b,1, Jie Xua,1, Qingtao Jiangb, André Larochea, Yuming Weib, Youliang Zhengb, Zhenxiang Lua,

期刊名称：作物学报(英文版) 2013年第2期

论文摘要：Genomic DNA and cDNA sequences of an isoamylase gene were isolated and characterized fromthe rye genome. The full-lengths of the rye isoamylase gene are 7351 bp for genomicDNA and 2364 bp for cDNA. There are 18 exons and 17 introns in the genomic sequence, which shares a similar organization with...[查看全部]

论文摘要：Genomic DNA and cDNA sequences of an isoamylase gene were isolated and characterized fromthe rye genome. The full-lengths of the rye isoamylase gene are 7351 bp for genomicDNA and 2364 bp for cDNA. There are 18 exons and 17 introns in the genomic sequence, which shares a similar organization with homologous genes from Aegilops tauschii, maize, rice and Arabidopsis. Exon regions of rye and other plant isoamylase genes aremore conserved than the introns. High sequence similarity (>95%)was observed inmature proteins of isoamylase genes originating from rye, Ae. tauschii, wheat and barley. The transcript profile revealed that rye isoamylase is mainly expressed in the seed endosperm with a maximum level at the middle developmental stage (15 DPA). A phylogenetic tree based on the deduced aa sequences of mature proteins from rye and other plant isoamylases indicated that rye isoamylase is more closely related to Ae. tauschii wDBE1 and wheat iso1. This is the first report on identification and characterization of the isoamylase gene fromrye,making it possible to explore the roles of this enzyme for amylopectin development in rye and triticale.[返回]

下载频数：7　　　　　　　上传时间：2014-04-03 　　　　　　　加入收藏

论文题目：Selection efficiencies for improving drought/salt tolerances and yield using introgression breeding in rice (Oryza sativa L.)

全部作者： Ying Wang, Lubiao Zhang, Afif Nafisah, Linghua Zhu, Jianlong Xu, Zhikang Li

期刊名称：作物学报(英文版) 2013年第2期

论文摘要：The backcross (BC) breeding strategy has been increasingly used for developing high yielding varieties with improved abiotic stress tolerances in rice. In this study, 189 Huang-Hua-Zhan (HHZ) introgression lines (ILs) developed from three different selection schemes were evaluated for yield...[查看全部]

论文摘要：The backcross (BC) breeding strategy has been increasingly used for developing high yielding varieties with improved abiotic stress tolerances in rice. In this study, 189 Huang-Hua-Zhan (HHZ) introgression lines (ILs) developed from three different selection schemes were evaluated for yield related traits under drought stress and non-stress conditions in the target and off-season winter nursery environments to assess the selection efficiency of BC breeding for improving different complex traits, and led us to five important results. The first result indicated that the primary target traits should be selected first in the target environments (TEs) in order to achieve the maximum genetic gain. Secondly, BC breeding for drought tolerance (DT) in rice was almost equally effective by strong phenotypic selection in the main target environments and in the winter-season of Hainan. Thirdly, exploiting genetic diversity in the subspecific gene pools is of great importance for future genetic improvement of complex traits in rice. Fourthly, considerable genetic gain can be effectively achieved by selection for secondary target traits among the ILs with the primary traits. Finally, the developed ILs provide useful materials for future genetic/genomic dissection and molecular breeding of complex traits.[返回]

下载频数：7　　　　　　　上传时间：2014-04-03 　　　　　　　加入收藏

论文题目：HrcQ is necessary for Xanthomonas oryzae pv. Oryzae HR-induction in non-host tobacco and pathogenicity in host rice

全部作者： Xiaoping Zhang, Chunlian Wang, Chongke Zheng, Jinying Che, Yanqiang Li, Kaijun Zhao

期刊名称：作物学报(英文版) 2013年第2期

论文摘要：[查看全部]

论文摘要：[返回]

下载频数：11　　　　　　　上传时间：2014-04-03 　　　　　　　加入收藏

论文题目：Mapping epistasis and environment × QTX interaction based on four -omics genotypes for the detected QTX loci controlling complex traits in tobacco

全部作者： Liyuan Zhoua,1, Ruiyuan Lib,1, Longjiang Fana, Yuewei Shib, Zhihong Wangb, Shengdong Xieb, Yijie Guia, Xueliang Renb, Jun Zhua,

期刊名称：作物学报(英文版) 2013年第2期

论文摘要：[查看全部]

论文摘要：[返回]

下载频数：6　　　　　　　上传时间：2014-04-03 　　　　　　　加入收藏

论文题目：Fine mapping of GS2, a dominant gene for big grain rice

全部作者： Wuhan Zhang, Pingyong Sun, Qiang He, Fu Shu, Jie Wang, Huafeng Deng

期刊名称：作物学报(英文版) 2013年第2期

论文摘要：Grain shape as a major determinant of rice yield and quality is widely believed to be controlled by quantitative trait loci (QTL). We have identified a novel gene “GS2” to largely regulate grain length and width in rice. The GS2 allele in the big-grain rice line ‘CDL’ functioned in a...[查看全部]

论文摘要：Grain shape as a major determinant of rice yield and quality is widely believed to be controlled by quantitative trait loci (QTL). We have identified a novel gene “GS2” to largely regulate grain length and width in rice. The GS2 allele in the big-grain rice line ‘CDL’ functioned in a dominant manner. In the present study, we employed a chromosome walking strategy in the residual heterozygous lines from recombinant inbred population between cultivar “R1126” and CDL, and located the GS2 gene in an interval of ~33.2 kb flanked by marker GL2-35-1 and GL2-12 in the long arm of rice chromosome 2. According to genome annotations, three putative gene loci, LOC_Os02g47280, LOC_Os02g47290 and LOC_Os02g47300, exist in this candidate region. In addition, allelic analysis with previously reported genes demonstrated that GS2 was novel for regulating rice grain shape. These results will help promote the cloning and functional characterization of the GS2 gene and further develop linked markers to be used in marker-assisted breeding.[返回]

下载频数：16　　　　　　　上传时间：2014-04-03 　　　　　　　加入收藏

论文题目：QTL mapping of starch granule size in common wheat using recombinant inbred lines derived from a PH82-2/Neixiang 188 cross

全部作者： Nan Fenga, Zhonghu Hea,b, Yong Zhanga, Xianchun Xiaa, Yan Zhanga,

期刊名称：作物学报(英文版) 2013年第2期

论文摘要：Starch is a crucial component determining the processing quality of wheat (Triticum aestivum L.)-based products. Wheat starch generally contains A-type and B-type starch granules, having different effects on starch properties and end-use qualities. In the present study, 240 recombinant inbred...[查看全部]

论文摘要：Starch is a crucial component determining the processing quality of wheat (Triticum aestivum L.)-based products. Wheat starch generally contains A-type and B-type starch granules, having different effects on starch properties and end-use qualities. In the present study, 240 recombinant inbred lines (RILs) derived from a PH82-2/Neixiang 188 cross were grown in Anyang, Henan, China, during three cropping seasons. A-type and B-type granule contents were determined using a laser diffraction particle size analyzer, defined as the percentage of total starch volume. A total of 195 SSR and STS markerswere used to construct a genetic map. QTL analysis was performed by composite interval mapping. Three QTL for A-type starch granule content were mapped on chromosomes 1DL, 7BL and 4AL, explaining 5.6%, 5.2% and 3.8% of the phenotypic variation, respectively. These results provide useful information for improving starch quality in common wheat.[返回]

下载频数：7　　　　　　　上传时间：2014-04-03 　　　　　　　加入收藏

友情链接

中华人民共和国教育部	教育部科学技术司	教育部科技发展中心	中国教育与科研计算机网	教育部学位与研究生教育发展中心	国家留学基金委
教育部科技查新服务平台	中国学术会议在线	中国教育人力资源系统	中国教育新闻网	神州学人中国教育在线校园先锋	OA在线资源集成平台

中国科技论文在线版权所有

网站地图 | 在线首页 | 在线简介 | 服务条款 | 联系我们 | 京ICP备05083805号 | 互联网出版许可证新出网证（京）字053号 | 文保网安备案号：1101080066

主管：中华人民共和国教育部主办：教育部科技发展中心技术支持：赛尔网络有限公司

中国科技论文在线
微信二维码

中国科技论文在线
微网站二维码