Analysis of relative nuclear DNA content in carnation (Dianthus caryophyllus) accessions reveals ploidy levels by flow cytometry

Carnation (Dianthus caryophyllus L.) is one of the fifth most important ornamental species worldwide. Many desirable plant characteristics such as big size flower, adaptation to stress, and intra or interspecific hybridization capability are dependent on plant ploidy level. We optimized a quick flow...

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Main Authors: H ANSAR, M V DHANANAJAYA, AMREEN TAJ, B FAKRUDIN, A REKHA, RAJIV KUMAR, G K HALESH
Format: Article
Language:English
Published: Indian Council of Agricultural Research 2016-11-01
Series:The Indian Journal of Agricultural Sciences
Subjects:
Online Access:https://epubs.icar.org.in/index.php/IJAgS/article/view/62930
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author H ANSAR
M V DHANANAJAYA
AMREEN TAJ
B FAKRUDIN
A REKHA
RAJIV KUMAR
G K HALESH
author_facet H ANSAR
M V DHANANAJAYA
AMREEN TAJ
B FAKRUDIN
A REKHA
RAJIV KUMAR
G K HALESH
author_sort H ANSAR
collection DOAJ
description Carnation (Dianthus caryophyllus L.) is one of the fifth most important ornamental species worldwide. Many desirable plant characteristics such as big size flower, adaptation to stress, and intra or interspecific hybridization capability are dependent on plant ploidy level. We optimized a quick flow cytometry method for DNA content determination in carnation accession samples that allowed a systematic evaluation of ploidy levels. To verify the actual ploidy levels, we counted chromosome numbers in the root tips of representative cultivar for each ploidy level. The relative nuclear DNA content was distributed into four kinds of discontinuous groups: 1.32 to 1.95 pg (group 1), 2.03 to 2.72 pg (group 2), 2.98 to 4.65 pg (group 3) and 5.33 pg (group 4) which might correspond to the following ploidy levels; diploid, triploid, tetraploid and hexaploid. The results showed that out of 60 carnation accessions, 33 were diploid, 5 were triploid, 21 were tetraploid and 1 was hexaploid.
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spelling doaj.art-c2eb520640c347cfb2f9af455c7e99d42023-07-21T08:26:44ZengIndian Council of Agricultural ResearchThe Indian Journal of Agricultural Sciences0019-50222394-33192016-11-01861110.56093/ijas.v86i11.62930Analysis of relative nuclear DNA content in carnation (Dianthus caryophyllus) accessions reveals ploidy levels by flow cytometryH ANSAR0M V DHANANAJAYA1AMREEN TAJ2B FAKRUDIN3A REKHA4RAJIV KUMAR5G K HALESH6ICAR-Indian Institute of Horticultural Research, Hesaraghatta Lake Post, Bengaluru, Karnataka 560 089ICAR-Indian Institute of Horticultural Research, Hesaraghatta Lake Post, Bengaluru, Karnataka 560 089ICAR-Indian Institute of Horticultural Research, Hesaraghatta Lake Post, Bengaluru, Karnataka 560 089ICAR-Indian Institute of Horticultural Research, Hesaraghatta Lake Post, Bengaluru, Karnataka 560 089ICAR-Indian Institute of Horticultural Research, Hesaraghatta Lake Post, Bengaluru, Karnataka 560 089ICAR-Indian Institute of Horticultural Research, Hesaraghatta Lake Post, Bengaluru, Karnataka 560 089ICAR-Indian Institute of Horticultural Research, Hesaraghatta Lake Post, Bengaluru, Karnataka 560 089Carnation (Dianthus caryophyllus L.) is one of the fifth most important ornamental species worldwide. Many desirable plant characteristics such as big size flower, adaptation to stress, and intra or interspecific hybridization capability are dependent on plant ploidy level. We optimized a quick flow cytometry method for DNA content determination in carnation accession samples that allowed a systematic evaluation of ploidy levels. To verify the actual ploidy levels, we counted chromosome numbers in the root tips of representative cultivar for each ploidy level. The relative nuclear DNA content was distributed into four kinds of discontinuous groups: 1.32 to 1.95 pg (group 1), 2.03 to 2.72 pg (group 2), 2.98 to 4.65 pg (group 3) and 5.33 pg (group 4) which might correspond to the following ploidy levels; diploid, triploid, tetraploid and hexaploid. The results showed that out of 60 carnation accessions, 33 were diploid, 5 were triploid, 21 were tetraploid and 1 was hexaploid.https://epubs.icar.org.in/index.php/IJAgS/article/view/62930Carnation accessionsChromosome countingFlow cytometryPloidy level
spellingShingle H ANSAR
M V DHANANAJAYA
AMREEN TAJ
B FAKRUDIN
A REKHA
RAJIV KUMAR
G K HALESH
Analysis of relative nuclear DNA content in carnation (Dianthus caryophyllus) accessions reveals ploidy levels by flow cytometry
The Indian Journal of Agricultural Sciences
Carnation accessions
Chromosome counting
Flow cytometry
Ploidy level
title Analysis of relative nuclear DNA content in carnation (Dianthus caryophyllus) accessions reveals ploidy levels by flow cytometry
title_full Analysis of relative nuclear DNA content in carnation (Dianthus caryophyllus) accessions reveals ploidy levels by flow cytometry
title_fullStr Analysis of relative nuclear DNA content in carnation (Dianthus caryophyllus) accessions reveals ploidy levels by flow cytometry
title_full_unstemmed Analysis of relative nuclear DNA content in carnation (Dianthus caryophyllus) accessions reveals ploidy levels by flow cytometry
title_short Analysis of relative nuclear DNA content in carnation (Dianthus caryophyllus) accessions reveals ploidy levels by flow cytometry
title_sort analysis of relative nuclear dna content in carnation dianthus caryophyllus accessions reveals ploidy levels by flow cytometry
topic Carnation accessions
Chromosome counting
Flow cytometry
Ploidy level
url https://epubs.icar.org.in/index.php/IJAgS/article/view/62930
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