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DOI10.1508/cytologia.83.215
New and Varied Chromosome Reports in Twenty-Six Species of the Family Asteraceae from Cold Deserts of the Western Himalaya
Gupta, Raghbir Chand1; Goyal, Henna1; Goel, Rajesh Kumar2; Singh, Vijay1,3
通讯作者Singh, Vijay
来源期刊CYTOLOGIA
ISSN0011-4545
出版年2018
卷号83期号:2页码:215-220
英文摘要

In the present study, 26 species belonging to 17 genera and five tribes of the family Asteraceae collected from natural habitats in cold deserts of the western Himalaya were analyzed on their meiotic events. The chromosome counts are reported for the first time in four species viz. Brachyactis roylei (n=9), Cousinia thomsonii (n=12), Erigeron umbrosus (n=9) and Waldheimia glabra (n=9). The euploid or aneuploid chromosome numbers are reported in Arctium lappa (n=17), Bellis perennis (n=5) and Saussurea heteromalla (n=8). The chromosome counts of n=9 in E. borealis is new to the Indian populations. The chromosome counts in the rest 18 species are new additions from the cold desserts of Lahaul-Spiti district of Himachal Pradesh. The present meiotic study also discloses meiotic abnormalities viz. chromosome stickiness, cytomixis, laggards, etc. leading to the hypo-/or hyperploid meiocytes. These abnormalities further may alter pollen viability by producing unreduced pollen grains and might be responsible for the disparity in the chromosome numbers.


英文关键词Asteraceae Chromosome number Meiotic study Cold desert Western Himalaya
类型Article
语种英语
国家India
收录类别SCI-E
WOS记录号WOS:000439398900019
WOS关键词POLLEN MOTHER-CELLS ; CYTOLOGICAL INVESTIGATIONS ; TETRAPLOID ACCESSIONS ; INDIAN COMPOSITAE ; SYNCYTE FORMATION ; MEIOTIC BEHAVIOR ; CYTOMIXIS ; ANTHEMIDEAE ; POACEAE ; TAXA
WOS类目Cell Biology ; Genetics & Heredity
WOS研究方向Cell Biology ; Genetics & Heredity
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/208549
作者单位1.Punjabi Univ, Dept Bot, Patiala 147002, Punjab, India;
2.Punjabi Univ, Dept Pharmaceut & Drug Res, Patiala 147002, Punjab, India;
3.Mata Gujri Coll, Dept Bot, Fatehgarh Sahib 140407, Punjab, India
推荐引用方式
GB/T 7714
Gupta, Raghbir Chand,Goyal, Henna,Goel, Rajesh Kumar,et al. New and Varied Chromosome Reports in Twenty-Six Species of the Family Asteraceae from Cold Deserts of the Western Himalaya[J],2018,83(2):215-220.
APA Gupta, Raghbir Chand,Goyal, Henna,Goel, Rajesh Kumar,&Singh, Vijay.(2018).New and Varied Chromosome Reports in Twenty-Six Species of the Family Asteraceae from Cold Deserts of the Western Himalaya.CYTOLOGIA,83(2),215-220.
MLA Gupta, Raghbir Chand,et al."New and Varied Chromosome Reports in Twenty-Six Species of the Family Asteraceae from Cold Deserts of the Western Himalaya".CYTOLOGIA 83.2(2018):215-220.
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