您好,欢迎访问江苏省农业科学院 机构知识库!

Cytology of multisomic addition line "NJ04-8089" in Brassica napus L.

文献类型: 会议论文

第一作者: YUAN Shifeng

作者: YUAN Shifeng 1 ; QI Cunkou 2 ;

作者机构: 1.Key Laberatory of Plant Germplasm and Breeding Ministry of Agriculture, Jiangsu, Nanjing 210095

2.Institute of Industrial Crops of Jiangsu Academy of Agricultural Sciences, Jiangsu, Nanjing 210014

关键词: Brassica napus;Brassica carinata;Multisomie;Additional line;Cytology

会议名称: International Rapeseed Congress; 20070326-30; Wuhan(CN)

主办单位:

页码: 364-367

摘要: A B genome chromosome multi-somic addition line "NJ04-8089" in Brassica napus (AACC 2n=38)was identified from offsprings derived from BC1F1of Brassica napus/Brassica carinata (BBCC 2n=34)//B. napus. Results from cytological observation showed that somatic chromosome number was 2n=45 observed from either root-tip or baby ovary cells of "NJ048089". 7 univalent scattered around the equator at Metaphase Ⅰ(MI) of pollen mother cells (PMCs) meiosis. A chromosome configuration of 19Ⅱ + 7Ⅰ formed at MI. Some lagged chromosomes formed at Anaphase Ⅰ (AI). The 19 divalent observed could be the result of the homologous pairing of AACC chromosomes and the 7 additional chromosomes were the chromosomes of B genome coming from B. carinata according to known relationships between chromosome of A-A, C-C, A-C, B-A and B-C genome. It indicates that the 7 chromosomes likely that they originated from B genome of Brassica carinata. An unequal chromosome number with a wide range of distribution from 2n=38 to 2n=51 found in root-tip cells of seeds harvested from "NJ04-8089" plant after bagging which resulted in an unequal chromosome number in each of the gametes produced from it. Out of the total root-tip observed there was 17.28%, 13.58% and 20.99% having achromosome number of 2n=43, 2n=44 and 2n=45 respectively. It indicated that the 7 univalent was randomly assorted to each of the polar at AI but some of them acted as a group staying in one side of the cell in stead of random assorting.

分类号: [ "S565.4" , "S565.4"]

  • 相关文献

[1]Microspore embryogenesis and plant regeneration in Brussels sprouts (Brassica oleracea L. var. gemmifera). Zeng, Aisong,Yan, Yuanyuan,Song, Lixiao,Hou, Xilin,Li, Ying,Zeng, Aisong,Yan, Yuanyuan,Yan, Jiyong,Song, Lixiao,Gao, Bing,Li, Jianqi.

[2]Low temperature treatments of rice (Oryza sativa L.) anthers changes polysaccharide and protein composition of the anther walls and increases pollen fertility and callus induction. Tian, Q. Q.,Li, X.,Fang, X. W.,Tian, Q. Q.,Lu, C. M.,Li, X..

[3]STUDY ON APETALOUS BREEDING IN RAPESEED (Brassica napus). Fu Shouzhong,Qi Cunkou,Pu Huiming,Zhang Jiefu. 2001

[4]Breeding of apetalous and dwarfish line APL03(Brassica napus). FU Shouzhong,ZHANG Jiefu,QI Cunkou,PU Huiming,GAO Jianqin,CHEN Xinjun. 2007

[5]New insights into the genetic networks affecting seed fatty acid concentrations in Brassica napus. Wang, Xiaodong,Yin, Yongtai,Gan, Lu,Yu, Longjiang,Li, Maoteng,Long, Yan,Zhang, Chunyu,Meng, Jinling,Long, Yan,Wang, Xiaodong,Liu, Liezhao. 2015

[6]Morphological Structure and Transcriptome Comparison of the Cytoplasmic Male Sterility Line in Brassica napus (SaNa-1A) Derived from Somatic Hybridization and Its Maintainer Line SaNa-1B. Du, Kun,Liu, Qier,Wu, Xinyue,Jiang, Jinjin,Wu, Jian,Fang, Yujie,Wang, Youping,Li, Aimin. 2016

[7]Quantitative trait loci analysis and genome-wide comparison for silique related traits in Brassica napus. Wang, Xiaodong,Chen, Li,Chao, Hongbo,Li, Maoteng,Wang, Xiaodong,Chen, Li,Xiang, Jun,Gan, Jianping,Wang, Aina,Wang, Hao,Tian, Jianhua,Zhao, Xiaoping,Zhao, Yajun,Zhao, Weiguo. 2016

[8]Cytogenetics and germplasm enrichment in Brassica allopolyploids in China. Li Zai-yun,Wang You-ping,Wang You-ping. 2017

[9]Phenotypic characterization and genetic analysis of a partially female-sterile mutant in Brassica napus. Li, Chun-Hong,Fu, San-Xiong,Chen, Xin-Jun,Qi, Cun-Kou. 2012

[10]Genome-wide association study reveals the genetic architecture of flowering time in rapeseed (Brassica napus L.). Xu, Liping,Hu, Kaining,Wen, Jing,Yi, Bin,Shen, Jinxiong,Ma, Chaozhi,Tu, Jinxing,Fu, Tingdong,Zhang, Zhenqian,Guan, Chunyun,Chen, Song,Hua, Wei,Li, Jiana.

[11]Genome-Wide Identification of QTL for Seed Yield and Yield-Related Traits and Construction of a High-Density Consensus Map for QTL Comparison in Brassica napus. Zhao, Weiguo,Wang, Hao,Tian, Jianhua,Li, Baojun,Zhao, Weiguo,Wang, Hao,Chen, Li,Chao, Hongbo,Li, Maoteng,Wang, Xiaodong,Long, Yan,Xiang, Jun,Gan, Jianping,Li, Maoteng,Liang, Wusheng. 2016

[12]The high-quality genome of Brassica napus cultivar 'ZS11' reveals the introgression history in semi-winter morphotype. Hu, Qiong,Tong, Chaobo,Huang, Shunmou,Yu, Jingyin,Mei, Desheng,Shi, Jiaqin,Wang, Xinfa,Hu, Zhiyong,Dong, Caihua,Li, Jun,Liu, Shengyi,Hua, Wei,Wang, Hanzhong,Fan, Guangyi,Liu, Weiqing,Chen, Wenbin,Zeng, Peng,Wang, Xi,Liang, Xinming,Huang, Guodong,Zhang, He,Zhang, Yaolei,Li, Liangwei,Shi, Chengcheng,Wang, Jiahao,Xu, Xun,Liu, Xin,Zhou, Yongming,Meng, Jinling,Liu, Kede,Long, Yan,Guan, Mei,Guan, Chunyun,Chalhoub, Boulos,Li, Jiana,Du, Dezhi,Qi, Cunkou,Jiang, Liangcai,Fan, Guangyi,Liu, Xin,Fan, Guangyi,Lee, Simon Ming-Yuen,Fan, Guangyi,Lee, Simon Ming-Yuen.

[13]Physiological and epigenetic analyses of Brassica napus seed germination in response to salt stress. Fang, Yujie,Li, Jian,Jiang, Jinjin,Geng, Yulu,Wang, Jinglei,Wang, Youping,Fang, Yujie.

[14]Microarray analysis of gene expression in seeds of Brassica napus planted in Nanjing (altitude: 8.9 m), Xining (altitude: 2261.2 m) and Lhasa (altitude: 3658 m) with different oil content. Fu, San-Xiong,Qi, Cunkou,Cheng, Hao.

作者其他论文 更多>>