共查询到20条相似文献,搜索用时 31 毫秒
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Genetic analysis of floral anthocyanin pigmentation traits in Asiatic hybrid lily using molecular linkage maps 总被引:5,自引:0,他引:5
Abe H Nakano M Nakatsuka A Nakayama M Koshioka M Yamagishi M 《TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik》2002,105(8):1175-1182
To understand the genetic background of two floral anthocyanin pigmentation traits, anthocyanin pigmentation in the flower tepals and spot formation, in the Asiatic hybrid lily (2n = 24), segregation of the two traits among 96 F1 plants derived from a cross between commercial cultivars 'Montreux' and 'Connecticut King' were investigated. 'Montreux' has anthocyanin pigmentation in the tepals with many spots, and 'Connecticut King' has flowers with carotenoid pigmentation without spots. The F1 plants with or without anthocyanin pigment in the tepals segregated with a 1:1 segregation ratio, indicating that a single gene controls anthocyanin pigmentation in the tepals. The number of spots per square centimeter of all tepals showed continuous distribution in the F1 plants. To map the loci for the two anthocyanin pigmentation traits, molecular linkage maps in the Asiatic hybrid lily were constructed using a double pseudo-testcross strategy, with the same F1 plants used for phenotypic evaluation, and 212 PCR-based DNA markers. The trait for anthocyanin pigmentation in tepals was used as a trait marker. The map of 'Montreux' comprised 95 markers in 26 linkage groups, and the map of 'Connecticut King' used 119 markers in 24 linkage groups. The total map lengths were 867.5 and 1,114.8 cM, respectively. The trait locus for anthocyanin pigmentation in the tepals was between markers ASR35-180 and P506-40 in linkage group 1 of the 'Montreux' map with a map distance of 1.2 cM and 2.6 cM, respectively. A single-point analysis of quantitative trait loci (QTLs) for tepal spot number identified two putative QTLs in linkage groups 1 and 19 of the 'Connecticut King' map. One putative QTL in linkage group 19 explained 64% of the total phenotypic variation. Because both putative QTLs were mapped on the linkage map of 'Connecticut King' that has no spots, dominant alleles of them might suppress spot formation. 相似文献
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以东方百合‘索邦’(Lilium oriental hybrid ‘Sorbonne’)为材料,克隆获得花青素苷生物合成通路中的关键转录因子Lhsor MYB12基因。序列分析结果显示,Lhsor MYB12最大开放阅读框长720 bp,编码239个氨基酸,具有2个典型的DNA结合结构域;该基因包括3个外显子和2个内含子。该基因的氨基酸序列与郁金香(Tulipa fosteriana W. Irving)中的MYB氨基酸序列相似性最高。系统进化分析结果表明,Lhsor MYB12在MYB基因家族中与已报道的控制花青素苷合成的基因形成一簇。进一步采用染色体步移技术,获得了Lhsor MYB12基因起始密码子上游2143 bp的启动子序列,顺式作用元件预测结果显示,该序列中除核心启动子元件(TATA box)外,还包含有MYB蛋白的绑定位点、光反应元件以及参与昼夜节律等反应的相关元件。基因表达分析结果表明,Lhsor MYB12仅在‘索邦’花丝、花柱和花被片中表达;且在花蕾发育过程中表达量逐渐增高,花蕾盛开时表达量最大,但内、外花被的表达起始阶段不同。黑暗处理可导致Lhsor MYB12表达水平降低;光照条件下该基因的表达水平随处理时间的延长表现出先上升后下降再持续上升的趋势。研究结果提示Lhsor MYB12的表达变化规律可能与其启动子中相应的顺式作用元件相关。 相似文献
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B. K. Mahinghara A. K. Singh V. Hallan R. Ram 《Archives Of Phytopathology And Plant Protection》2013,46(9):826-848
The variability in the coat protein gene of Cucumber mosaic virus (CMV) isolates from various Lilium species and hybrids namely L. longiflorum, L. tigrinum, Asiatic hybrid and Oriental hybrid lilies was studied by sequence comparison of ~900 bp regions spanning the entire coat protein, intercistronic regions and 3′-UTR. CMV isolate characterised from Asiatic hybrid lily showed the highest homology with subgroup II isolates (94 – 97%), whereas 73 – 76% homology was observed with those belonging to subgroup I. Similarly, another three isolates showed 91 – 98% amino acid sequence homology with subgroup I and 74 – 76% sequence homology with subgroup II. Based on the criteria for classification of CMV isolates all the Indian isolates fall in subgroup I, except the one characterized from Asiatic Hybrid lily which falls into subgroup II. Other lily isolates from world were placed in subgroup II. This is the first case of Asiatic hybrid lily CMV isolate belonging to subgroup II. 相似文献
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Identification of key amino acids for the evolution of promoter target specificity of anthocyanin and proanthocyanidin regulating MYB factors 总被引:1,自引:0,他引:1
Simon C. Heppel Felix W. Jaffé Adam M. Takos Swen Schellmann Thomas Rausch Amanda R. Walker Jochen Bogs 《Plant molecular biology》2013,82(4-5):457-471
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Map‐based cloning of the pear gene MYB114 identifies an interaction with other transcription factors to coordinately regulate fruit anthocyanin biosynthesis
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Gaifang Yao Meiling Ming Andrew C. Allan Chao Gu Leiting Li Xiao Wu Runze Wang Yaojun Chang Kaijie Qi Shaoling Zhang Jun Wu 《The Plant journal : for cell and molecular biology》2017,92(3):437-451
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The bHLH transcription factor MdbHLH3 promotes anthocyanin accumulation and fruit colouration in response to low temperature in apples 总被引:1,自引:0,他引:1
XING‐BIN XIE SHEN LI RUI‐FEN ZHANG JING ZHAO YING‐CHUN CHEN QIANG ZHAO YU‐XIN YAO CHUN‐XIANG YOU XIAN‐SHENG ZHANG YU‐JIN HAO 《Plant, cell & environment》2012,35(11):1884-1897
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Genomic and genetic analysis of Myb-related genes that regulate anthocyanin biosynthesis in grape berry skin 总被引:2,自引:0,他引:2
Azuma A Kobayashi S Mitani N Shiraishi M Yamada M Ueno T Kono A Yakushiji H Koshita Y 《TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik》2008,117(6):1009-1019