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Differential miRNAs between Sensitive and Resistant Pig to Escherichia coli F18 by deep sequencing

ABSTRACT: An M307 G/A point mutation of FUT1 gene has been considered as a usful marker to select the piglets that are sensitive(GG/AG genotype) or resistant(AA) to Escherichia coli F18 in foreign pig breeds. However,it is not suitable to Chinese native breeds. Duodenal tissues were collected from 3 full-sib pairs of Sutai pigs (a new hybrid between the Duroc and Taihu breeds) at the age of 28-day differing in adhesion phenotype to find the differential miRNAs that can provide the basis for analyzing the different mechanisms of E.coli F18 resistance between foreign and Chinese native breeds,as well as for breeding for disease resistance in Chinese native breeds in the future. piglets at the age of 28-day sensitive(GG genotype) to Escherichia coli F18 vs resistant(AA) ones.Biological replicates:3 full-sib pairs of Sutai pigs(3 pairs for GG/AA genotype of FUT1 gene).One GG sample (512 piglet) was sequenced twice to verify the result. 2385 piglet and 2383 piglet were a pair of full-sib with AA and GG genotype at M307 positionof FUT1 gene, respectively. Unfortunately, the sequencing of 2385 was a failure and was excluded. 2385 piglet has an AA genotype of the FUT1 gene

ORGANISM(S): Sus scrofa

SUBMITTER: Lan Ye

PROVIDER: E-GEOD-32257 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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differential gene expression in Sensitive and Resistant Pig to Escherichia coli F18

Project description:An M307 G/A point mutation of FUT1 gene has been considered as a usful marker to select the piglets that are sensitive(GG/AG genotype) or resistant(AA) to Escherichia coli F18 in foreign pig breeds.However,it is not suitable to Chinese native breeds. Duodenal tissues were collected from 8 full-sib pairs of Sutai pigs (a new hybrid between the Duroc and Taihu breeds) at the age of 28-day differing in adhesion phenotype to find the differential genes that can be used as the candidate genes fit for Chinese native breeds. piglets at the age of 28-day sensitive (GG/AG genotype) to Escherichia coli F18 vs resistant(AA) ones.Biological replicates:8 full-sib pairs of Sutai pigs (4 pairs for GG/AA genotype of FUT1 gene, 4 pairs for AG/AA genotype)

2011-01-26 | E-GEOD-26854 | biostudies-arrayexpress

Differential miRNAs between Sensitive and Resistant Pig to Escherichia coli F18 by deep sequencing

Project description:An M307 G/A point mutation of FUT1 gene has been considered as a usful marker to select the piglets that are sensitive(GG/AG genotype) or resistant(AA) to Escherichia coli F18 in foreign pig breeds. However,it is not suitable to Chinese native breeds. Duodenal tissues were collected from 3 full-sib pairs of Sutai pigs (a new hybrid between the Duroc and Taihu breeds) at the age of 28-day differing in adhesion phenotype to find the differential miRNAs that can provide the basis for analyzing the different mechanisms of E.coli F18 resistance between foreign and Chinese native breeds,as well as for breeding for disease resistance in Chinese native breeds in the future.

2014-09-21 | GSE32257 | GEO

differential gene expression in Sensitive and Resistant Pig to Escherichia coli F18

2011-01-26 | GSE26854 | GEO

RNA-seq for miRNAs in fibrocyte-adipocyte progenitors (FAPs) or myogenic progenitors (MPs) during muscle regeneration

Project description:In order to understand the role of miRNAs in muscle regeneration we injected cardiotoxin into the tibialis muscle of mice and isolated using FACS two different groups of adult muscle stem cells. RNA was isolated directly from sorted cells and analyzed by miRNA deep sequencing.

2016-10-29 | E-MTAB-5177 | biostudies-arrayexpress

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Muscle Transcriptomic Investigation of Late Fetal Development Identifies Candidate Genes for Key Roles in Piglet Maturity

Project description:To further knowledge of piglet maturity, we have developed a microarray analysis to describe biological processes and to find candidate genes for key roles in piglet maturity. The objective was to identify which genes and biological processes are specifically involved in the difference between two extreme breeds: Large White (LW) and Meishan (MS). The LW breed is a selected breed known to show an increased rate of mortality at birth, while the MS breed presents more robust piglets at birth. MS and LW sows were inseminated with mixed semen (LW and MS) hence each litter was composed of pure fetuses (LW or MS) and crossed fetuses (LWMS from MS sows and MSLW from LW sows). To assay for changes in gene expression during piglet maturity, mRNA was isolated from 61 fetal skeletal muscle samples with 8 different conditions: two fetal gestational ages (90 or 110 days of gestation), associated with four genotypes (two extreme breeds for mortality at birth (MS and LW) and two crossed breeds (MSLW and LWMS)). MS fetuses are known to have a better survival at birth than LW fetuses. An understanding of maturity is possible with the comparison between the fetal gestational ages and between the two extreme breeds. The impact of parental genotypes is studied with the presence of crossed fetuses. After quality control and normalization, only 61 samples were conserved (represented here).

2014-09-19 | E-GEOD-56301 | biostudies-arrayexpress

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2014-10-10 | E-GEOD-49889 | biostudies-arrayexpress

Trancription profiling of pig placenta, Erhualian pigs and Large White pigs, gestation day 75 and 90

Project description:From gestation day 75 to gestation day 90, an important stage for the placental and fetal development, the fetuses grow rapidly and need adequate nutrition. The Meishan pigs and the Large White pigs employ different ways in supplying the enough nutrients and oxygen to the fetus. The Meishan pigs increased the vascular density and the Large White pigs have the second increase in the surface of placenta. To understand the molecular basis related to late gestation placenta development in Chinese indigenous and Western breeds with different placental efficiency, samples were collected and used to hybridized. The results offered new data on understanding the molecular basis of placenta efficiency, and indicated that Erhualian pigs had the more efficient than the Large White pigs. Experiment Overall Design: Placenta efficiency (the body weight of a piglet divided by the mass of its placenta) of Erhualian pigs is markedly higher than Large White pigs. so placenta samples (female) from 6 Erhuanlian pregnant gilts at gestation day 75 (E75) and day 90 (E90) and 6 Large White pregnant gilts at gestation day 75 (L75) and day 90 (L90) were collected. RNAs from two female piglet placentas from each gilt were combined to 12 pools and hybridized to the porcine Affymetrix GeneChip.

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