Cytological Studies on Indian Spiders. I. Meiosis in Three Species of Wolf Spiders (Lycosidae: Arachnida)

Parida, Banojini; Sharma, Ninadini

doi:10.1080/00087114.1987.10797812

Cited by 4 publications

(2 citation statements)

References 8 publications

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“…Cytogenetic analysis of Indian spider species has added considerably to our knowledge about chromosomes in spiders and karyotypic evolution (Bole-Gowda [14] ; Sharma et al [15] ; Srivastava and Shukla [16] ; Parida and Sharma [17] ; Datta and Chatterjee [18] ). Bole-Gowda [14] presented the first karyotype for Indian Pholcid example, viz; C.lyoni depicting the diploid chromosome number 2n=27 (26AA+X) in males.…”

Section: Discussionmentioning

confidence: 99%

Cytological Studies on three Species of Indian Spiders (Araneae: Pholcidae, Hersiliidae, Lycosidae)

Sharma¹,

Ramakrishna²

2019

International Journal of Advanced Scientific Research and Management

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Spiders (Arthropoda: Arachnida: Araneae) are fascinating and most diverse group of air breathing chelicerate arthropods in the animal kingdom. Their distribution is worldwide except Antartica and occupies every ecological niche available except of air and sea colonization. An improved air-dried method was to prepare spider chromosomes. Chromosome data are reported for 3 species belonging to families Pholcidae, Hersiliidae and Lycosidae from India. The number of diploid chromosomes (2n) in both males and females and sex determining mechanism of each species were determined as follows: Crossopriza lyoni: 2n=23 (XO ) male, Crossopriza lyoni: 2n=24 (XX ) female, Hersilia savignyi: 2n=30 (X 1 X 2 O) male, Hersilia savignyi: 2n=32 (X 1 X 2 X 3 X 4 ) female, Hippasa agelenoides: 2n=28 (X 1 X 2 O) male, Hippasa agelenoides: 2n=30 (X 1 X 2 X 3 X 4 ) female. During the first meiotic division 11, 14, 13 autosomal bivalents were found in Crossopriza lyoni, Hersilia savignyi and Hippasa agelenoides respectively. Crossopriza lyoni have metacentric and submetacentric type of chromosomes. In Hersilia savignyi chromosomes are acrocentric and rod shaped in Hippasa agelenoides.

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Section: Discussionmentioning

confidence: 99%

Cytological Studies on three Species of Indian Spiders (Araneae: Pholcidae, Hersiliidae, Lycosidae)

Sharma¹,

Ramakrishna²

2019

International Journal of Advanced Scientific Research and Management

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“…The Southern Hemisphere species presented complements with n = 10+X 1 X 2 (males) or derived from it (Table 1). Sharma and Parida, 1987;Parida and Sharma, 1987a;Parida and Sharma, 1987b (sub Sharma, 1987a, 1987b;Sharma and Parida, 1987;Chatterjee, 1989 P. fletcheri (Gravely 1924 Sokolov, 1960 matic bands in this species and in all the other Lycosidae analyzed (Brum-Zorrilla and Cazenave, 1974;Brum-Zorrilla and Postiglioni, 1980;Gorlova et al, 1997).…”

Section: Introductionmentioning

confidence: 99%

Cytogenetic studies of three Lycosidae species from Argentina (Arachnida, Araneae)

et al. 2008

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Cytogenetic studies of the family Lycosidae (Arachnida: Araneae) are scarce. Less than 4% of the described species have been analyzed and the male haploid chromosome numbers ranged from 8+X 1 X 2 to 13+X 1 X 2 . Species formerly classified as Lycosa were the most studied ones. Our aim in this work was to perform a comparative analysis of the meiosis in "Lycosa" erythrognatha Lucas, "Lycosa" pampeana Holmberg and Schizocosa malitiosa (Tullgren). We also compared male and female karyotypes and characterized the heterochromatin of "L." erythrognatha. The males of the three species had 2n = 22, n = 10+X 1 X 2 , all the chromosomes were telocentric and there was generally a single chiasma per bivalent. In "Lycosa" pampeana, which is described cytogenetically for the first time herein, the bivalents and sex chromosomes showed a clustered arrangement at prometaphase I. The comparison of the male/female karyotypes (2n = 22/24) of "Lycosa" erythrognatha revealed that the sex chromosomes were the largest of the complement and that the autosomes decreased gradually in size. The analysis of the amount, composition and distribution of heterochromatin with C-banding and staining with DAPI-and CMA 3 -showed that "Lycosa" erythrognatha had little GC-rich heterochromatin in the pericentromeric region of all chromosomes. In addition, the actual occurrence of the genus Lycosa in the Southern Hemisphere is discussed.

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Chromosome evolution in lycosoid spiders (Araneomorphae): a scenario based on analysis of seven species of the families Lycosidae, Senoculidae and Trechaleidae

Araujo

Oliveira

Giroti

et al. 2015

Journal of Arachnology

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Cytological Studies on Indian Spiders. I. Meiosis in Three Species of Wolf Spiders (Lycosidae: Arachnida)

Cited by 4 publications

References 8 publications

Cytological Studies on three Species of Indian Spiders (Araneae: Pholcidae, Hersiliidae, Lycosidae)

Cytological Studies on three Species of Indian Spiders (Araneae: Pholcidae, Hersiliidae, Lycosidae)

Cytogenetic studies of three Lycosidae species from Argentina (Arachnida, Araneae)

Chromosome evolution in lycosoid spiders (Araneomorphae): a scenario based on analysis of seven species of the families Lycosidae, Senoculidae and Trechaleidae

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