Karyological Studies on Some Bird Species.

Yaseen, Ahmed E.

doi:10.1508/cytologia.63.155

Cited by 3 publications

(4 citation statements)

References 12 publications

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“…Our results are in agreement with Hammer (1970), Shields (1982), Tegelstron et al (1983), Mohanty and Bhunya (1990), Yaseen (1998), Hassan and Ebied (2000) who reported that the diploid chromosome numbers in birds (except Flaconiformes) ranges from 40 to 126 with a great tendency for an increase or decrease in the number of microchromosomes or macrochromosomes during the long-term evolution.…”

Section: F Order: Anseriformessupporting

confidence: 93%

“…The results of this species Phalacrocorax carbo are in agreement with Hammer (1970), Shields (1982), Tegelstron et al (1983), Mohanty and Bhunya (1990), Yaseen (1998) and Hassan and Ebied (2000) who concluded that birds orders representing 65% of all species, that were investigated, have a diploid chromosome number of 78 to 82 with 7 to 9 pairs macrochromosomes. Most remaining species have karyotype with a lower diploid number of chromosomes of 66 to 74 showing 12 pairs of macrochromosomes and 21 to 25 of microchromosomes.…”

Section: Order: Pelecaniformessupporting

confidence: 89%

“…Birds orders representing 65% of all species, that were investigated, have a diploid chromosome number of 78 to 82 with 7 to 9 pairs macrochromosomes. Most remaining species have karyotype with a lower diploid number of chromosomes of 66 to 74 showing 12 pairs of macrochromosomes and 21 to 25 of microchromosomes (Hammer 1970, Shields 1982, Tegelstron et al 1983, Mohanty and Bhunya 1990, Yaseen 1998, Hassan and Ebied 2000.…”

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Karyotypic Characterization of Ten Species of Birds

et al. 2005

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The chromosomes of ten species of birds and their karyological relationships have been studied. These species are Gelochelidon nilotica 2nϭ60 and Larus genei 2nϭ54 (Family: Laridae), Himantopus himantopus 2nϭ58 (Family: Recurvirostridae), Hoplopterus spinosus 2nϭ72 (Family: Charadriidae), Lophura edwardsii 2nϭ50 (Family: Phasianidae), Numida meleagris 2nϭ56 (Family: Numididae), Tachybaptus ruficollis 2nϭ58 (Family: Podicipedidae), Phalacrocorax carbo 2nϭ62 (Family: Phalacrocoracidae), Plegadis falcinellus 2nϭ50 (Family: Threskiornithidae) and Anas querquedula 2nϭ74 (Family: Anatidae). details the karyotypes of these ten species. Besides, this is an attempt to contribute to the knowledge of evolution of karyotype of birds of Egypt, so far ignored in this aspect. To the best of author knowledge these results are reported for the first time in Egypt. Materials and methodsSpecimens of Himantopus himantopus, Hoplopterus spinosus, Larus genei, Gelochelidon nilotica, Numida meleagris, Lophura edwardsii, Tachybaptus ruficollis, Phalacrocorax carbo, Plegadis falcinellus and Anas querquedula were collected from different localities around Mediterranean Sea; Zoo Animals and Lake Manzala. Identification and classification of the specimens was carried out by the help of the description and keys provided by Gianfranco (1984) and Steven et al. (1989). Chromosomal preparations have been made from colchicinized bone marrow cells with usual air-drying techniqe according to Adegoke and Nadesan (1986) with some modifications made by Adegoke and Ejere (1991) and Salama et al. (1995). More than seventy spreads were counted to determine the diploid chromosome number and at least 15 well mitotic metaphases were karyotyped from each species. The measurements and calculations were made and chromosome lengths were standardized as a percent of a total complement length. Centromeric position was described according to the criteria established by Levan et al. (1964). 182 Cytologia 70(2) A. M. Ebied et al.

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Section: F Order: Anseriformessupporting

confidence: 93%

Section: Order: Pelecaniformessupporting

confidence: 89%

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Karyotypic Characterization of Ten Species of Birds

et al. 2005

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“…On the other hand, order Passeriformes has a diploid chromosome number ranges from 68 to 90, of which, the macrochromosomes range from 6 to 12 pairs while the microchromosomes from 26 to 37 pairs, Bhunya and Sultana (1979), Hobart et al (1981), Shields (1982), De Boer (1984, Mital and Sharma (1989), Bhunya and Das (1991) and Yaseen (1998). Order Strigiformes has diploid chromosome number ranges from 2n=66 to 2n=92, while order Gruiformes has diploid chromosome number ranges from 72 to 92, Belterman and De Boer (1984), Schmutz and Moker (1991) and Sasaki et al (1994).…”

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Karyological Studies on Six Species of Birds.

Hassan

1998

CYTOLOGIA

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The avian karyological studies have always been arrears of those in mammals, this is mainly because of inherent difficulties in handling avian chromosomes, so only about 6-7% of birds has been karyotyped, Belterman and De Boer (1984) and Sultana and Bhunya (1987).The diploid chromosome number of order Ciconiiformes ranges from 62 to 80 of which the macrochromosomes range from 6 to 14 pairs, while microchromosomes from 20 to 24 pairs, De Boer and Van Brink (1982) and Mohanty and Bhunya (1990). On the other hand, order Passeriformes has a diploid chromosome number ranges from 68 to 90, of which, the macrochromosomes range from 6 to 12 pairs while the microchromosomes from 26 to 37 pairs, Bhunya and Sultana

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Abubilla – Upupa epops Linnaeus, 1758

Martín‐Vivaldi¹,

Doña²,

Masegosa³

et al. 2016

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Karyological Studies on Some Bird Species.

Cited by 3 publications

References 12 publications

Karyotypic Characterization of Ten Species of Birds

Karyotypic Characterization of Ten Species of Birds

Karyological Studies on Six Species of Birds.

Abubilla – Upupa epops Linnaeus, 1758

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