NDLI: Genome size variation in three Saccharum species

Content Provider	Springer Nature Link
Author	Zhang, Jisen Nagai, Chifumi Yu, Qingyi Pan, Yong Bao Ayala Silva, Tomas Schnell, Raymond J. Comstock, Jack C. Arumuganathan, Aru K. Ming, Ray
Copyright Year	2012
Abstract	Saccharum species are autopolyploids with ploidy level ranging from 5× to 16x, and are considered the most complex genomes among crop plants. In present study, the genome sizes of 28 Saccharum spontaneum accessions, 15 Saccharum officinarum accessions, 28 Saccharum robustum accessions, and 12 Saccharum hybrids spp. were analyzed using flow cytometry. The estimated genome sizes of S. officinarum accessions ranged from 7.50 to 8.55 Gb with an average size of 7.88 Gb. In S. robustum, the estimated genome sizes ranged from 7.65 to 11.78, reflecting the variation of ploidy level. In S. spontaneum, the estimated genome sizes varied widely, with a range from 3.36 to 12.64 Gb, also due to variation of ploidy level. The average monoploid genome size of S. officinarum was 985 Mb, and that of S. spontaneum was 843 Mb. The results also showed that genome sizes were correlated with chromosome numbers, and based which, that the unknown chromosome numbers of some accessions could be predicted. The estimated genome sizes of Saccharum germplasm also helped identify some mislabeled accessions and yielded information critical for sugarcane breeding and genome sequencing programs.
Starting Page	511
Ending Page	519
Page Count	9
File Format	PDF
ISSN	00142336
Journal	Euphytica
Volume Number	185
Issue Number	3
e-ISSN	15735060
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-03-25
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	DNA content Genome size Flow cytometry Sugarcane Saccharum species Biotechnology Plant Physiology Plant Sciences Plant Pathology Plant Genetics & Genomics
Content Type	Text
Resource Type	Article
Subject	Genetics Plant Science Horticulture Agronomy and Crop Science

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