Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.6165/tai.2018.63.143 |
A Case of Cytomixis, Cell fusion, Syncyte and Dimorphic pollen grains in Angelica glauca from the cold deserts of North-West Himalayas | |
Khan, Nissar Ahmad; Singhal, Vijay Kumar; Gupta, Raghbir Chand | |
通讯作者 | Khan, Nissar Ahmad |
来源期刊 | TAIWANIA
![]() |
ISSN | 0372-333X |
出版年 | 2018 |
卷号 | 63期号:2页码:143-148 |
英文摘要 | Angelica glauca Edgew. (Apiaceae) has been cytologically studied from the cold deserts of Ladakh division of North-West Himalayas in India. Besides re-reporting the diploid chromosome count of 2n=22 from India, the analyzed accession depicted the phenomenon of cytomixis, cell fusion leading to syncyte PMCs and dimorphic pollen grains. Majority of the pollen mother cells (PMCs) exhibited 11 bivalents at Metaphase-I, 11:11 chromosomes at Metaphase-II and equal sized pollen grains. However, a few PMCs showed the phenomenon of cytomixis involving chromatin transfer and fusion resulting into syncytes. These syncytes could be detected in preparations due to their larger size compared to typical (2x) PMCs and showed 22 bivalents. The products of typical and syncyte meiocytes yielded dimorphic pollen grains. Such pollen grains with different genetic constitution could play an important role in the origin of intraspecific euploids. |
类型 | Article |
语种 | 英语 |
国家 | India |
收录类别 | SCI-E |
WOS记录号 | WOS:000438001100007 |
WOS关键词 | MEIOSIS ; POLYPLOIDIZATION ; POPULATIONS ; MECHANISMS ; PLANTS ; WILD |
WOS类目 | Plant Sciences |
WOS研究方向 | Plant Sciences |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/213412 |
作者单位 | Punjabi Univ, Dept Bot, Patiala 147002, Punjab, India |
推荐引用方式 GB/T 7714 | Khan, Nissar Ahmad,Singhal, Vijay Kumar,Gupta, Raghbir Chand. A Case of Cytomixis, Cell fusion, Syncyte and Dimorphic pollen grains in Angelica glauca from the cold deserts of North-West Himalayas[J],2018,63(2):143-148. |
APA | Khan, Nissar Ahmad,Singhal, Vijay Kumar,&Gupta, Raghbir Chand.(2018).A Case of Cytomixis, Cell fusion, Syncyte and Dimorphic pollen grains in Angelica glauca from the cold deserts of North-West Himalayas.TAIWANIA,63(2),143-148. |
MLA | Khan, Nissar Ahmad,et al."A Case of Cytomixis, Cell fusion, Syncyte and Dimorphic pollen grains in Angelica glauca from the cold deserts of North-West Himalayas".TAIWANIA 63.2(2018):143-148. |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。