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首页> 外文会议>Annual Meeting of the National Mastitis Council >Preliminary Results: Lactococcus lactis lactis and Streptococcus uberis Invasion and Immune Activation of a Bovine Mammary
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Preliminary Results: Lactococcus lactis lactis and Streptococcus uberis Invasion and Immune Activation of a Bovine Mammary

机译：初步结果：乳球菌乳酸乳酸乳酸乳酸乳酸乳酸乳酸乳酸乳酸乳酸乳酸肠道侵袭和免疫活化牛乳腺

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摘要

Lactococcus lactis lactis (LLL) and Streptococcus uberis (SU) are among Gram-positive, catalase-negative bacteria that are known bovine mastitis pathogens. Commercially available biochemical identification systems have allowed for identification of LLL that have been presumptively identified as SU with conventional aerobic culture methods. Invasion and survival of SU isolated from mastitic milk has been reported within bMEC (Tamilselvam et al., 2006), but invasion characteristics of LLL within bMEC have not been studied. Cases of clinical mastitis caused by LLL have been reported to have lower bacteriological cure rates and longer duration of treatment when compared to cases of clinical mastitis caused by Streptococcus spp (Lima et al., in review).The objective of this study was to determine the invasiveness and immune gene expression induced by Lactococcus lactis lactis and Streptococcus uberis in MAC-T cells.
机译：乳球菌乳酸乳酸乳酸乳酸乳乳裂（LLL）和链球菌Uberis（Su）是已知牛乳腺炎病原体的革兰氏阳性的过氧化氢酶阴性细菌。 商业上可获得的生化鉴定系统允许鉴定已预先鉴定为具有常规需氧培养方法的SU的LLL。 在BMEC（TamilseLvam等，2006）中，苏分离的苏氏牛奶中苏分离的侵袭和存活率，但尚未研究BMEC内LLL的入侵特征。 据报道，LLL引起的临床乳腺炎病例均可较低的细菌固化率和较长的治疗持续时间较长，与被链球菌SPP引起的临床乳腺炎（LIMA等人，在审查中）。本研究的目的是确定 乳球菌乳酸乳酸乳酸乳酸乳酸乳酸乳酸乳酸乳酸乳酸乳酸乳酸乳酸乳酸乳酸乳酸乳酸菌和免疫基因表达MAC-T细胞中的侵袭性和免疫基因表达。

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