Research Article

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The bovine tick Rhipicephalus (Boophilus) microplus causes major losses in cattle production systems in tropical regions. Bos indicus breeds are more resistant to ticks than B. taurus breeds. Resistance genes could be an alternative to control this parasite. We examined the pattern of gene expression of three calcium-binding-protein genes: translationally ... more

C.S. Nascimento; M.A. Machado; S.E.F. Guimarães; M.F.M. Guimarães; J.O. Peixoto; J. Furlong; M.C.A. Prata; R.S. Verneque; R.L. Teodoro; P.S. Lopes
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LEA proteins; qRT-PCR; Zea mays

We quantified and characterized the expression of heat-resistant proteins during seed development of maize lines with distinct levels of tolerance to high drying temperature. A corn field was planted for multiplication of seeds of different lines, two tolerant and two non-tolerant to high drying temperatures. Harvest of the seeds was carried out at various stages of development and they ... more

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Hemoglobin (Hb) is the major protein component of erythrocytes in animals with red blood, although it can serve additional functions beyond the transport of oxygen. The blood clam (Tegillarca granosa) is one of the few mollusks that has Hb, although the structure and function of molluskan Hbs remain unclear. We characterized two unique and highly compartmentalized blood clam ... more

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ELISA; Luteinizing hormone receptor (LHR); Non-gonadal tissues; qRT-PCR

Luteinizing hormone (LH) is an important glycoprotein hormone that regulates gonadal function in mammals and in turn regulates physiological status changes during the estrous cycle. The function of LH is mediated by luteinizing hormone receptor (LHR). In order to examine the expression patterns of the LHR gene in non-gonadal tissues during the 4 phases of the ovine estrous cycle ... more

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Malate dehydrogenases 1 and 2 (MDH1 and MDH2), and malic enzyme 1 (ME1) play important roles in the Krebs cycle for energy metabolism. The mRNA abundance changes of MDH1, MDH2 and ME1 genes were measured across six different adipose tissues from the leaner Landrace and fatty Rongchang pig breeds using quantitative real-time PCR. The ... more

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Eriocheir sinensis; Na+-K+-ATPase; qRT-PCR; Salinity stress

Eriocheir sinensis is a euryhaline crab migrating from sea to freshwater habitats during the juvenile stage. We used quantitative real-time polymerase chain reaction (qRT-PCR) to investigate the gene expression profile of Na+-K+-ATPase, Hsp70 (heat shock protein 70) and Hsp90 in megalopa exposed to salinities of 0 ... more

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Hsp; Low salinity stress; Portunus trituberculatus; qRT-PCR

Challenged by the low salinity, 4 parts per thousand (4 ppt), for 72h, the survivals of swimming crabs (Portunus trituberculatus) were collected as the screened group (SG, tolerant to low salinity). Aiming at identifying the mechanism of low salinity tolerance, quantitative real-time PCR was employed to investigate the expression profiles of 4 HSP genes (HSP60, HSP70 ... more

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