NDLI: Cytological diploidization and rapid genome changes of the newly synthesized allotetraploids Cucumis × hytivus

Content Provider	Springer Nature Link
Author	Chen, Longzheng Lou, Qunfeng Zhuang, Yong Chen, Jinfeng Zhang, Xiaoqing Wolukau, Joseph N.
Copyright Year	2006
Abstract	We used a newly synthesized allotetraploid between C. sativus (2n = 2x = 14, n gametic chromosome number, x haploid chromosome number) and C. hystrix (2n = 2x = 24) to study the genomic events in its early generations. Results from cytological characterization of the F1 and the allotetraploid progenies showed that the rate of bivalents in meiotic metaphase I of the F1 was greatly improved by chromosome doubling, and further improved during the selfing process of allopolyploid resulting into relatively diploid-like meiosis. Extensive genomic changes were detected by amplified fragment length polymorphism analysis. The changes mainly involved loss of parental restriction fragments and gaining of novel fragments. The total detectable changes were from 11.1 to 32.1%, and the frequency of losing parental fragments was much higher than that of gaining novel fragments. Some of the changes were initiated as early as in the F1 hybrid, whereas others occurred after chromosome doubling (polyploid formation). No significant differences were detected in the reciprocal F1 hybrids and S0 generations. But the data showed that the frequency of sequence losing in C. sativus was about two times higher than in the C. hystrix. Our results demonstrated that the sequence elimination was the major event of genomic changes, and it might provide the physical basis for the diploid-like meiotic behavior in the diploidization of the newly formed allopolyploids. Moreover, the results suggest that the sequence elimination was not caused by cytoplasmic factors, and might relate to genomic recombination and to the numbers of parental chromosome.
Starting Page	603
Ending Page	614
Page Count	12
File Format	PDF
ISSN	00320935
Journal	Planta
Volume Number	225
Issue Number	3
e-ISSN	14322048
Language	English
Publisher	Springer-Verlag
Publisher Date	2006-09-05
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	AFLP Allotetraploids Cucumis Cytology Diploidization Genome changes Forestry Ecology Agriculture Plant Sciences
Content Type	Text
Resource Type	Article
Subject	Genetics Plant Science

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Retrotransposon- and microsatellite sequence-associated genomic changes in early generations of a newly synthesized allotetraploid Cucumis × hytivus Chen & Kirkbride

Rapid alterations of gene expression and cytosine methylation in newly synthesized Brassica napus allopolyploids

Changes of gene expression in early generations of the synthetic allotetraploid Cucumis × hytivus Chen et Kirkbride

Rapid cytological diploidization in newly formed allopolyploids of the wheat (Aegilops-Triticum) group.

Changes in energy status of leaf cells as a consequence of mitochondrial genome rearrangement

Influence of mitochondrial genome rearrangement on cucumber leaf carbon and nitrogen metabolism

Proteomic Changes in Newly Synthesized Brassica napus Allotetraploids and Their Early Generations

Isolation and characterization of an endonuclease synthesized by barley (Hordeum vulgare L.) uninucleate microspores

Endogenous salicylic acid accumulation is required for chilling tolerance in cucumber (Cucumis sativus L.) seedlings

Cytological diploidization and rapid genome changes of the newly synthesized allotetraploids Cucumis × hytivus

Similar Documents

Retrotransposon- and microsatellite sequence-associated genomic changes in early generations of a newly synthesized allotetraploid Cucumis × hytivus Chen & Kirkbride

Rapid alterations of gene expression and cytosine methylation in newly synthesized Brassica napus allopolyploids

Changes of gene expression in early generations of the synthetic allotetraploid Cucumis × hytivus Chen et Kirkbride

Rapid cytological diploidization in newly formed allopolyploids of the wheat (Aegilops-Triticum) group.

Changes in energy status of leaf cells as a consequence of mitochondrial genome rearrangement

Influence of mitochondrial genome rearrangement on cucumber leaf carbon and nitrogen metabolism

Proteomic Changes in Newly Synthesized Brassica napus Allotetraploids and Their Early Generations

Isolation and characterization of an endonuclease synthesized by barley (Hordeum vulgare L.) uninucleate microspores

Endogenous salicylic acid accumulation is required for chilling tolerance in cucumber (Cucumis sativus L.) seedlings

Cytological diploidization and rapid genome changes of the newly synthesized allotetraploids Cucumis × hytivus