Report on Chromosome Number Along with Chrom So-mal Chimera and Abnormal Shaped Anaphase of Acmella Ciliata

ABC Research Alert

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Title Report on Chromosome Number Along with Chrom So-mal Chimera and Abnormal Shaped Anaphase of Acmella Ciliata
 
Creator Hossen, Riyad; Lecturer, Department of Botany, Faculty of Biosciences, University of Barisal
Hossain, Md. Uzzal; Lecturer, Department of Botany, Faculty of Biosciences, University of Barisal
 
Subject Karyotype, abnormal anaphase, Chimera, Acmella ciliata.
 
Description Acmella ciliata(Kunth) synomyme Spilanthes acmella Murr. is a plant species under asteraceae family are investigated cytogenetically by orcein staining to find out chromosome number, chimeric status and overall mitotic cell division. The diploid chromosome number 2n=46 was found in most of the cells but some cells possess 2n =70 chromosomes in the same examined sample. So, we found two type cells according to their chromosome number which are indicated as type ‘a’ and ‘b’. The     centromeric formulae of a type cell is 34m+6sm while 52m +18sm is for b type cells. The length of chromosomes range 3.68 to 2.30 µm in a type cell and 3.68 to 2.24 µm in b type cell that is  approximately same in case of the length ranges. The total length of 2n chromosome complement of b type cell is greater than a type cell. The variable chromosome number indicates its chromosomal chimera. No satellites were found. Some cell possesses abnormal shaped anaphase which are clearly distinguishable to normal anaphase stage found in same species. Conventional karyotype analysis  indicated that both type cell’s chromosome number are totally different with previous report.  Therefore, the compilation of the above cytogenetical information proves that the Acmella ciliata showing variable chromosome number means its chromosomal chimera. This cytogenetical information will help in the study of plant chromosomal chimera in Bangladesh.
 
Publisher Asian Business Consortium
 
Contributor
 
Date 2018-06-02
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion

 
Format application/pdf
 
Identifier https://journals.abc.us.org/index.php/abcra/article/view/1092
10.18034/abcra.v6i2.1092
 
Source ABC Research Alert; Vol 6, No 2 (2018): May-August 2018 Issue; Bangladesh
10.18034/i135
 
Language eng
 
Relation https://journals.abc.us.org/index.php/abcra/article/view/1092/971
 
Rights Copyright (c) 2018 Riyad Hossen, Md. Uzzal Hossain
http://creativecommons.org/licenses/by-nc/4.0
 

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