Geographical patterns of chromosomal differentiation in the brachypterous grasshopper Podisma sapporensis (Orthoptera : Acrididae)

Warchalowska-Sliwa, Elzbieta; Tatsuta, Haruki; Akimoto, Shin-Ichi et al.

European Journal of Entomology, 2008, 105(2), 185-196

Permalink : https://hdl.handle.net/2115/33887

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論文情報

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アクセス権
open access
URI
https://hdl.handle.net/2115/33887
タイトル
Geographical patterns of chromosomal differentiation in the brachypterous grasshopper Podisma sapporensis (Orthoptera : Acrididae)
著者
Warchalowska-Sliwa, Elzbieta ; Tatsuta, Haruki ; Akimoto, Shin-Ichi ; Maryanska-Nadachowska, Anna ; Kowalczyk, Marek ; Bugrov, Alexander
著者名
Warchalowska-Sliwa, Elzbieta
著者名
Tatsuta, Haruki
e-Rad_Researcher
30175161
著者名
Akimoto, Shin-Ichi
著者名
Maryanska-Nadachowska, Anna
著者名
Kowalczyk, Marek
著者名
Bugrov, Alexander
言語
英語
キーワード
grasshoppers
Acrididae
Podisma
chromosomes
evolution
polymorphism
chromosome races
発行日
2008-05-15
出版者
Institute of Entomology of the Czech Academy of Sciences
収録物名
European Journal of Entomology
巻(号)
105(2)
ページ
185-196
抄録
The distribution patterns of the X0/XX and neo-XY/neo-XX chromosome races, subraces, and "hybrids" between subraces of the grasshopper P. sapporensis were analyzed. The origin of the observed variation is Robertsonian translocations between a sex chromosome and an autosome, and chromosome rearrangements. The fixation levels of inversions varied depending on geographic regions. No hybrid population is known implying that a strong reproductive isolation system exists in hybrids between the different chromosomal races. The probable reasons for the purity of X0 and neo-XY chromosome races and high chromosome polymorphism in contact zones between chromosomal subraces are discussed. The presence of isolating barriers between chromosome races indicates a review of the taxonomic structure of P. sapporensis is required. It is proposed to divide P. sapporensis into two sibling species, which differ in the chromosome mechanisms of the sex determination system. The analysis of the distribution of chromosomal races and subraces of P. sapporensis allows a reconstruction of the history of this species in the Okhotsk sea region.
資源タイプ
学術雑誌論文
出版タイプ
Version of Record
PISSN
1210-5759
EISSN
1802-8829
関連情報 (isIdenticalTo)
出版社版DOI
https://doi.org/10.14411/eje.2008.027