BACTERIA ASSOCIATED WITH GASTRIC EPITHELIUM OF NEONATAL PIGS

BACTERIA ASSOCIATED WITH GASTRIC EPITHELIUM OF NEONATAL PIGS
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DOI:
10.1128/aem.35.3.582-591.1978
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发表时间:
1978-01-01
影响因子:
4.4
通讯作者:
BROOKER, BE
BROOKER, BE
中科院分区:
生物学2区
文献类型:
--
作者:
FULLER, R;BARROW, PA;BROOKER, BE

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光学和电子显微镜显示乳酸杆菌和链球菌在较小程度上与猪胃的鳞状区域(称为胃部)密切相关。在附着于上皮表面的细菌上观察到几种不同类型的细胞外层。细菌总数/平方厘米没有随着年龄的变化,直到10天,有没有断奶的影响在2天。发酵乳杆菌L.唾液链球菌和唾液链球菌在哺乳仔猪中的分离率高于早期断奶仔猪,而唾液链球菌在早期断奶仔猪中的分离率则相反。嗜酸乳杆菌和S.牛。在体外试验中,所有从洗涤的浸渍的咽部回收的分离株均粘附于猪食管上皮细胞。
Light and electron microscopy showed lactobacilli and, to a lesser degree, streptococci to be closely associated with the squamous area of the pig stomach known as the pars esophagea. Several different types of extracellular layers were seen on bacteria attached to the epithelial surface. The total number of bacteria/square centimeter did not change with age up to 10 days, and there was no effect of weaning at 2 days. Lactobacillus fermentum, L. salivarius and Streptococcus salivarius were isolated more frequently from sucking pigs than from those that were early weaned, whereas the reverse was true of L. acidophilus and S. bovis. All isolates recovered from washed macerated pars esophagea adhered to pig esophageal epithelial cells when tested in vitro.