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Rearrangement hotspots in the sex chromosome of the Palearctic black fly Simulium bergi (Diptera, Simuliidae)

Adler, Peter H ; Yildirim, Alparslan ; Onder, Zuhal ; Tasci, G Taskin ; Duzlu, Onder ; Arslan, M Ozkan ; Ciloglu, Arif LU ; Sari, Baris ; Parmaksizoglu, Nilgun and Inci, Abdullah (2016) In Comparative Cytogenetics 10(2). p.295-310
Abstract

An extreme example of nonrandom rearrangements, especially inversion breaks, is described in the polytene chromosomes of the black fly Simulium bergi Rubtsov, 1956 from Armenia and Turkey. A total of 48 rearrangements was discovered, relative to the standard banding sequence for the subgenus Simulium Latreille, 1802. One rearrangement, an inversion (IIS-C) in the short arm of the second chromosome, was fixed. Six (12.5%) of the rearrangements were autosomal polymorphisms, and the remaining 41 (85.4%) were sex linked. More than 40 X- and Y-linked rearrangements, predominantly inversions, were clustered in the long arm of the second chromosome (IIL), representing about 15% of the total complement. The pattern conforms to a nonrandom model... (More)

An extreme example of nonrandom rearrangements, especially inversion breaks, is described in the polytene chromosomes of the black fly Simulium bergi Rubtsov, 1956 from Armenia and Turkey. A total of 48 rearrangements was discovered, relative to the standard banding sequence for the subgenus Simulium Latreille, 1802. One rearrangement, an inversion (IIS-C) in the short arm of the second chromosome, was fixed. Six (12.5%) of the rearrangements were autosomal polymorphisms, and the remaining 41 (85.4%) were sex linked. More than 40 X- and Y-linked rearrangements, predominantly inversions, were clustered in the long arm of the second chromosome (IIL), representing about 15% of the total complement. The pattern conforms to a nonrandom model of chromosome breakage, perhaps associated with an underlying molecular mechanism.

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author
; ; ; ; ; ; ; ; and
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Caucasus Mountains, nonrandom breakage, polytene chromosomes, sex linkage
in
Comparative Cytogenetics
volume
10
issue
2
pages
16 pages
publisher
Pensoft Publishers
external identifiers
  • scopus:85020844827
  • pmid:27551350
ISSN
1993-0771
DOI
10.3897/CompCytogen.v10i2.8855
language
English
LU publication?
no
id
907c463f-7915-44a4-a7d7-c6e28b2c2a4f
date added to LUP
2017-12-05 17:23:45
date last changed
2025-10-14 09:17:16
@article{907c463f-7915-44a4-a7d7-c6e28b2c2a4f,
  abstract     = {{<p>An extreme example of nonrandom rearrangements, especially inversion breaks, is described in the polytene chromosomes of the black fly Simulium bergi Rubtsov, 1956 from Armenia and Turkey. A total of 48 rearrangements was discovered, relative to the standard banding sequence for the subgenus Simulium Latreille, 1802. One rearrangement, an inversion (IIS-C) in the short arm of the second chromosome, was fixed. Six (12.5%) of the rearrangements were autosomal polymorphisms, and the remaining 41 (85.4%) were sex linked. More than 40 X- and Y-linked rearrangements, predominantly inversions, were clustered in the long arm of the second chromosome (IIL), representing about 15% of the total complement. The pattern conforms to a nonrandom model of chromosome breakage, perhaps associated with an underlying molecular mechanism.</p>}},
  author       = {{Adler, Peter H and Yildirim, Alparslan and Onder, Zuhal and Tasci, G Taskin and Duzlu, Onder and Arslan, M Ozkan and Ciloglu, Arif and Sari, Baris and Parmaksizoglu, Nilgun and Inci, Abdullah}},
  issn         = {{1993-0771}},
  keywords     = {{Caucasus Mountains; nonrandom breakage; polytene chromosomes; sex linkage}},
  language     = {{eng}},
  number       = {{2}},
  pages        = {{295--310}},
  publisher    = {{Pensoft Publishers}},
  series       = {{Comparative Cytogenetics}},
  title        = {{Rearrangement hotspots in the sex chromosome of the Palearctic black fly Simulium bergi (Diptera, Simuliidae)}},
  url          = {{http://dx.doi.org/10.3897/CompCytogen.v10i2.8855}},
  doi          = {{10.3897/CompCytogen.v10i2.8855}},
  volume       = {{10}},
  year         = {{2016}},
}