Chromosome
The influence of parental origin of X chromosome genes on the stature of patients with 45 X Turner syndrome
Authors: Kochi C, Longui CA, Lemos-Marini SHV, Guerra-Junior G, Melo MB, Calliari LEP and Monte O
Thirty-seven 45 X Turner syndrome patients with confirmed peripheral blood lymphocyte karyotype were initially selected to determine the origin of the retained X chromosome and to correlate it with their parents’ stature. Blood samples were available in 25 families. The parental origin of the X chromosome was determined .. Read More»
- Genet. Mol. Res. 6(1):
Translocation breakpoints of chromosome 1 in male carriers: clinical features and implications for genetic counseling
Authors: R.X. Wang, H.G. Zhang, Y. Pan, S. Chen, F.G. Yue, D.L. Zhu and R.Z. Liu
Reciprocal translocation is closely associated with male infertility and recurrent miscarriages. Balanced reciprocal translocations associated with reproductive failures are predominantly observed on chromosome 1. Additionally, infertile male patients present a number of breakpoints throughout chromosome 1. A translocation bre.. Read More»
- Genet. Mol. Res. 15(4):
- gmr.15048707
- DOI:
- 10.4238/gmr.15048707
B chromosomes in popcorn (Zea mays L.)
Authors: Ricci GL, Silva N, Pagliarini MS and Scapim CA
Cytological analysis of microsporogenesis in 72 popcorn plants, comprising nine from the original population (CMS-43, S0) and 63 from seven cycles of self-fertilization (S1 to S7), one plant of S0 generation (plant 2) was identified with B chromosomes. The number of B chromosomes varied from two to three in the same anther. Th.. Read More»
- Genet. Mol. Res. 6(1):
Microsporogenesis in Brachiaria dictyoneura (Fig. & De Not.) Stapf (Poaceae: Paniceae)
Authors: C. Risso-Pascotto, M.S. Pagliarini and C.B. Valle
Microsporogenesis was analyzed in five accessions of Brachiaria dictyoneura presenting x = 6 as the basic chromosome number. All accessions were tetraploid (2n = 4x = 24) with chromosome pairing in bi-, tri-, and quadrivalents. The recorded meiotic abnormalities were those typical of polyploids, including precocious chromosome.. Read More»
- Genet. Mol. Res. 5(4):
Meiotic behavior and karyotypic variation in Acledra (Pentatomidae, Heteroptera)
Authors: P.J. Rebagliati and L.M. Mola
Acledra comprises 15 taxonomically identified species, most of which are crop pests. This is the first cytogenetic study of species of this genus. Acledra kinbergii and A. modesta showed the modal number of the Pentatomidae (2n = 14 = 12 + XY), while A. bonariensis had a reduced complement (2n = 12 = 10 + XY), with a markedly .. Read More»
- Genet. Mol. Res. 9(2):
- vol9-2gmr763
- DOI:
- 10.4238/vol9-2gmr763
Chromosome 7 translocation breakpoints in male carriers: clinical features and implications for genetic counseling
Authors: R.X. Wang, H.G. Zhang, Y. Pan, J.H. Zhu, F.G. Yue, L.T. Xue and R.Z. Liu
Balanced reciprocal translocations are associated with reproductive failure. Some reciprocal translocation carriers exhibit azoospermia or oligozoospermia, and an association exists between these chromosomal abnormalities and recurrent abortion. Previous reports have indicated the involvement of chromosome 7 translocations in .. Read More»
- Genet. Mol. Res. 15(4):
- gmr15048948
- DOI:
- 10.4238/gmr15048948
Normal and defective mariner-like elements in Rhynchosciara species (Sciaridae, Diptera)
Authors: P. Rezende-Teixeira, C. Lauand, F. Siviero and G.M. Machado-Santelli
Mariner-like elements are widely present in diverse organisms. These elements constitute a large fraction of the eukaryotic genome; they transpose by a “cut-and-paste” mechanism with their own transposase protein. We found two groups of mobile elements in the genus Rhynchosciara. PCR using primers designed from R. .. Read More»
- Genet. Mol. Res. 9(2):
- vol9-2gmr796
- DOI:
- 10.4238/vol9-2gmr796
Establishment of the genomic in situ hybridization (GISH) technique for analysis in interspecific hybrids of Passiflora
Authors: C.A.F. Melo, G.S. Silva and M.M. Souza
The genomic in situ hybridization (GISH) technique was applied to Passiflora interspecific F1 HD13-133 hybrids (Passiflora sublanceolata x Passiflora foetida) and HD15-101 (Passiflora gardineri x Passiflora gibertii), and the backcrossed hybrids (BC1) HD18-106 and HD18-113 (Passiflora sublanceolata x HD13-133). GISH was performed using genomic probes prep.. Read More»
- Genet. Mol. Res. 14(1):
- 2015.March.27.4
- DOI:
- 10.4238/2015.March.27.4
Genotoxic effects caused by indoor exposure to petroleum derivatives in a fuel quality control laboratory
Authors: A.E.O. Ara?ºjo, B.P. Mezzomo, ?. Ferrari and C.K. Grisolia
We looked for genotoxic effects in laboratory personnel routinely exposed to petroleum derivate compounds in an indoor environment. The exposed group of 21 workers from the Fuel Quality Control Laboratory of the Brazilian Petroleum Agency was matched with a group of 10 people from the staff of the Brazilian Ministry of Health... Read More»
- Genet. Mol. Res. 9(2):
- vol9-2gmr797
- DOI:
- 10.4238/vol9-2gmr797
A cytogenetics study of Hydrodroma despiciens (M?¼ller, 1776) (Acari: Hydrachnellae: Hydrodromidae)
Authors: Serap Tutgun Onrat, Ferruh Ax?§i and Muhlis ??zkan
The karyotypes of water mites (Acari: Hydrachnellae: Hydrodromidae) are largely unknown. The present investigation is the first report of a study designed to characterize the chromosomes of water mites. The study was carried out with specimens of Hydrodroma despiciens collected from Eber Lake in Afyon, Turkey. Several differen.. Read More»
- Genet. Mol. Res. 5(2):