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Abstract:

Adult males of Bovicola limbata and B. caprae were cytogenetically analyzed. Both species have n=7, holokinetic chromosomes, and achiasmatic male meiosis. As in other species of Phthiraptera, spermatogenesis follows a particular course with mitotic divisions after meiosis; consequently, cysts of 64 active spermatozoa and 64 non-functional cells (pycnotic nuclei) are encountered. In B. limbata an heteromorphic chromosome pair was observed. The results are compared with previous reports in Phthiraptera. The achiasmatic male meiosis, together with the particular course of spermatogenesis and the low chromosome numbers markedly constrain genetic variability.

Registro:

Documento: Artículo
Título:Spermatogenesis in Bovicola limbata gervais, 1844 and B. caprae Gurlt, 1843 (Phthiraptera, Ischnocera)
Autor:Tombesi, M.L.; Papeschi, A.G.; Mola, L.M.
Filiación:Genet., Depto. Cs. Biológicas, Fac de Cs. Exactas y Naturales, Ciudad Universitaria, Pabellón II. 1428, Buenos Aires, Argentina
Palabras clave:Bovicola; Holokinetic chromosomes; Phthiraptera; Spermatogenesis; Bovicola; Bovicola caprae; Bovicola caprae; Bovicola limbata; Bovicola limbata; Gervais; Insecta; Invertebrata; Ischnocera; Phthiraptera
Año:1999
Volumen:64
Número:1
Página de inicio:25
Página de fin:27
DOI: http://dx.doi.org/10.1508/cytologia.64.25
Título revista:Cytologia
Título revista abreviado:Cytologia
ISSN:00114545
CODEN:CYTOA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00114545_v64_n1_p25_Tombesi

Referencias:

  • Bay Reuther, K., Holokinetische Chromosomen bei Haematopinus suis (Anoplura, Haematopinidae) (1955) Chromosoma, 7, pp. 260-270
  • Cicchmo, A.C., Castro, D.C., Ischnocera (1998) Biodiversidad de Artröpodos Argentinos, , Directores J. J. Morrone and S. Coscaron
  • Doncaster, L., Cannon, H.G., On the spermatogenesis of lice (1920) Quart. J. Microsc. Sci. (n.s.), 66, pp. 657-667
  • Lyal, C.H., A cladistic analysis and classification of trichodectid mammal lice (Phthiraptera, Ischnocera) (1985) Bull. British Museum (Nat. History) Entomology Series, 51 (3), pp. 188-346
  • Perrot, J.L., La spermatogenese du Mallophage Goniodes stylifer (1934) Quart. J. Microsc. Sci. (n.s.), 76, pp. 353-377
  • Ries, E., Die Prozesse der Eibildung und des Eiwachstums bei Pediculiden und Mallophagen (1932) Z. Zellforsch, 16, pp. 314-388
  • Scholl, H., Ein Beitrag zur Kenntnis der Spermatogenese der Mallophagen (1955) Chromosoma, 7, pp. 271-274
  • Tornbesi, M.L., Papeschi, A.G., Meiosis in Haematopinus suis and Menacanthus stramineus (Phthiraptera, insecta) (1993) Hereditas, 119, pp. 31-38
  • Werneck, F.L., (1936) Contribuicao Ao Conhecimento Dos Mallophagos Encontrados Nos Mammiferos Sul Americano, , These. Facultad de Medicina da Universidad do Rio de Janeiro

Citas:

---------- APA ----------
Tombesi, M.L., Papeschi, A.G. & Mola, L.M. (1999) . Spermatogenesis in Bovicola limbata gervais, 1844 and B. caprae Gurlt, 1843 (Phthiraptera, Ischnocera). Cytologia, 64(1), 25-27.
http://dx.doi.org/10.1508/cytologia.64.25
---------- CHICAGO ----------
Tombesi, M.L., Papeschi, A.G., Mola, L.M. "Spermatogenesis in Bovicola limbata gervais, 1844 and B. caprae Gurlt, 1843 (Phthiraptera, Ischnocera)" . Cytologia 64, no. 1 (1999) : 25-27.
http://dx.doi.org/10.1508/cytologia.64.25
---------- MLA ----------
Tombesi, M.L., Papeschi, A.G., Mola, L.M. "Spermatogenesis in Bovicola limbata gervais, 1844 and B. caprae Gurlt, 1843 (Phthiraptera, Ischnocera)" . Cytologia, vol. 64, no. 1, 1999, pp. 25-27.
http://dx.doi.org/10.1508/cytologia.64.25
---------- VANCOUVER ----------
Tombesi, M.L., Papeschi, A.G., Mola, L.M. Spermatogenesis in Bovicola limbata gervais, 1844 and B. caprae Gurlt, 1843 (Phthiraptera, Ischnocera). Cytologia. 1999;64(1):25-27.
http://dx.doi.org/10.1508/cytologia.64.25