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In general, loss of avirulence on a cultivar with a specified resistance gene may be due to deletion, insertion or point mutation in the avirulence locus, and polymorphism may be observed between virulent and avirulent strains in this locus.

无毒基因的缺失、点突变及转座子的插入，均能造成其功能的丧失。

The full F gene was sequenced and compared with the published sequences of virulent and avirulent strains of NDV in GenBank database.

根据分离株序列与GenBank中NDV相关毒株序列比较分析，结果表明，所分离的6个分离株归属为3个NDV基因型，其中有基因Ⅶd亚型（3株）、基因Ⅵ型（2株）和基因Ⅲ型（1株）。

Promising strains have been identified, although genetic improvement of the Azolla system has not received much attention.

虽然满江红属的基因改良还没有引起人们的注意，但已鉴定出比较有前途的品系。

Methods 70 strains of CNS isolated from Intensive Care Unit the time period from during December 2004 through November 2006 were chosen to perform convention bacilliculture, then they were classified as Vitek32 microbic system and 16S rRNA sequence analysis, and the superiority and shortage of these two identification methods were com...

方法选择2004年12月~2006年11月重症监护病房分离的凝固酶阴性葡萄球菌70株，常规细菌培养后，用Vitek32鉴定系统和16S rRNA基因测序进行分类，以AP IStaph系统为参照，比较2种鉴定方法的优势和不足。

The 19 strains of bacilliform bacteria were identified by biochemical tests, part of their 16S ribosomal DNA were amplified, sequenced, and phylogenetically placed.

分离得到得19 株乳杆菌通过菌落、菌株形态观察以及多项生理生化等常规鉴定，并且通过16S rRNA 基因序列测序鉴定，确定这19 株乳杆菌分属于乳杆菌属内专性同型发酵类型中三个不同的种。

The universal primers were designed according to the sequence of 16S rRNA, then 13 strains bacteroides and the other non-bacteroides were amplified by PCR.

以该属细菌的标准16S Rrna基因序列为靶基因设计通用引物，对该属标准菌株及不同来源的临床株进行PCR扩增，然后对扩增产物进行基因测序验证引物的特异性和敏感性。

The research showed that the pathogenic potential of Helicobacter hepaticus in a mammalian colitis model is altered by the presence of different strains of Bacteroides fragilis .

该研究显示，在哺乳动物结肠炎模型中，当有不同株脆弱类杆菌存在时，有潜在致病性的肝螺杆菌发生了改变。

Fermentative strains of Bacteroides from granule cultured with soybean wastewater and of G〓 streptococcus from granule cultured with glucose are isolated.

从豆制品废水培养的颗粒污泥中分离出了一株属于拟杆菌属的发酵性细菌，从葡萄糖配水培养的颗粒污泥中分离出了一株属于革兰氏阳性链球菌的发酵性细菌。

Methods: To clarify the biochemical characteristics of Bartonella reference strains and isolates from China with ANT card in BioMerieux VITEK 32 microorganism analysis system and Rapid TD32 A system.

采用BioMerieux VITEK 32微生物分析系统的ANI厌氧菌鉴定卡及Rapid ID32A系统检测巴尔通体的各项生化指标。

Both automatic microorganism detection system and Rapid ID32 A system can read specific biological characteristic of Bartonella strains.

Rapid ID32 A系统检测结果：所有菌株脲素酶、半乳糖苷酶、葡萄糖苷酶阴性，不发酵甘露糖、棉籽糖。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。