نتایج جستجو برای: sry gene
تعداد نتایج: 1141873 فیلتر نتایج به سال:
background: the sry gene (sry) provides instructions for making a transcription factor called the sex-determining region y protein. the sex-determining region y protein causes a fetus to develop as a male. in this study, sry of 15 spices included of human, chimpanzee, dog, pig, rat, cattle, buffalo, goat, sheep, horse, zebra, frog, urial, dolphin and killer whale were used for determine of bioi...
Background and purpose: In humans, SRY (sex-determining region of the Y chromosome) is the major gene for the sex determination which is found in normal XY males and rarely in XX males, and it is absent from normal XX females and from many XY females. There are several methods which can indicate a male genotype by amplification of SRY gene. The aim of this study was identification of the SRY ge...
background: in human, sry (sex-determining region of the y chromosome) is the major gene for the testis-determining factor which is found in normal xy males and in the rare xx males, and it is absent in normal xx females and many xy females. there are several methods which can indicate a male genotype by the presence of the amplified product of sry gene. the aim of this study was to identify th...
Abstract The Y chromosome–linked gene sex-determining region (SRY) is believed to be the master initiator of male sex determination in almost all eutherian mammals, functioning upregulate expression its direct target SRY-related HMG box–containing 9 (SOX9). XX maleness humans a rare syndrome with frequency 1 20,000–25,000 males. Approximately 90% these cases carry some amount chromosome sequenc...
SRY, a Y chromosome-encoded DNA-binding protein, is required for testis organogenesis in mammals. Expression of the SRY gene in the genital ridge is followed by diverse early cell events leading to Sertoli cell determination/differentiation and subsequent sex cord formation. Little is known about SRY regulation and its mode of action during testis development, and direct gene targets for SRY ar...
The Sex-determining Region Y (Sry in mammals but SRY in humans [4]) is a gene found on Y chromosomes that leads to the development of male phenotypes, such as testes [5]. The Sry gene, located on the short branch of the Y chromosome, initiates male embryonic development in the XY sex determination [6] system. The Sry gene follows the central dogma of molecular biology; the DNA encoding the gene...
Early 1990s research conducted by Peter Koopman, John Gubbay, Nigel Vivian, Peter Goodfellow, and Robin Lovell-Badge, showed that chromosomally female (XX) mice embryos can develop as male with the addition of a genetic fragment from the Y chromosome of male mice. The genetic fragment contained a segment of the mouse [4] Sry gene, which is analogous to the human SRY gene. The researchers sought...
In the rodent species Microtus cabrerae, males as well as females present several copies of the SRY gene, a single-copy gene located on the Y chromosome in most mammals. Using different PCR approaches, we have characterized the sequence, structure, and organization of the SRY copies and their flanking regions distributed on the X and Y chromosomes of this species. All copies of SRY analyzed, in...
Sry (sex-determining region on the Y chromosome) is a master gene that initiates testis differentiation of the bipotential indifferent gonad in mammals. In mice, Sry expression is transiently activated in a center-to-pole wave along the anteroposterior (AP) axis of developing XY gonads. Shortly after the onset of Sry activation, Sox9 (Sry-related HMG box-9), a fundamental testis-differentiation...
Sox genes encode proteins related to each other, and to the sex determining gene Sry, by the presence of a DNA binding motif known as the HMG domain. Although HMG domains can bind to related DNA sequences, Sox gene products may achieve target gene specificity by binding to preferred target sequences or by interacting with specific partner proteins. To assess their functional similarities, we re...
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