P.R.A.M. Affonso
Cytogenetic aspects of a canine breast carcinosarcoma - a case report
This study searched a rare and aggressive type of cancer in dogs and humans, the breast carcinosarcoma. Both clinical and pathological traits of mammary carcinosarcomas in dogs are similar to humans, such as infrequent occurrence, fast tumor growth, and unfavorable prognosis when compared to carcinomas. Other possible alterations include chromosomal abnormalities th.. Read More»
Genet. Mol. Res. 16(2): gmr16029433
DOI: 10.4238/gmr16029433
Identification of naturalized goat breeds under conservation from northeastern Brazil using chromosomal markers
In order to provide the first cytogenetic data of naturalized and threatened goat breeds from northeastern Brazil, cytogenetic analyses were carried out in individuals of Repartida and Moxotó breeds raised in Bahia and Ceará States. Males and females of both breeds had 2n = 60, with 29 autosomal acrocentric pairs plus the sex chromosome pair. The number of nucleolar organizer regi.. Read More»
Genet. Mol. Res. 12(3): 2013.August.29.3
DOI: 10.4238/2013.August.29.3
Population divergence and peculiar karyoevolutionary trends in the loricariid fish Hypostomus aff. unae from northeastern Brazil
Loricariidae (Siluriformes, Hypostominae) is one of the most diverse catfish families. In spite of the wide distribution of loricariids in South America, cytogenetic reports are available for only a few species, mostly from southern and southeastern Brazil. We made the first chromosomal analysis of Hypostomus aff. unae from the Contas River basin in northeastern Bra.. Read More»
Genet. Mol. Res. 11(2): 2012.April.13.1
DOI: 10.4238/2012.April.13.1
Direct preparation protocol to obtain mitotic chromosomes from canine mammary tumors
Currently, mammary neoplasms in female canines are a serious problem in veterinary clinics. In addition, the canine species is an excellent disease model for human oncology because of the biological and genetic similarities between the species. Cytogenetics has allowed further study of the characterization of neoplasms in canines. We hypothesized that the use of a direct preparation protocol fo.. Read More»
Genet. Mol. Res. 14(4): 2015.December.29.49
DOI: 10.4238/2015.December.29.49
Chromosomal diversity and phylogenetic inferences concerning thrips (Insecta, Thysanoptera) in a semi-arid region of Brazil
The order Thysanoptera is composed of cosmopolitan phytophagous and predaceous insects with diverse life histories, behaviors and habits. This order is currently thought to form a trichotomy with Hemiptera and Psocodea; Hemiptera and Thysanoptera are considered to be sister groups. The interrelationships within Thysanoptera remain unclear and cytotaxonomic studies a.. Read More»
Genet. Mol. Res. 9(4): vol9-4gmr843
DOI: 10.4238/vol9-4gmr843
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