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31) The positiveness of the contact hemolysis was correlated with the virulence of bacteria when virulent or non-virulent strains of enterobacteria were compared.

32) Witchcraft blazed forth with unexampled virulence ( Montague Summers ).

33) S. pyogenes produces several virulence factors and many of them have been shown to contribute to its infection.

34) The strain isolated from human case is different from those strains isolated from Microtus fuscus[sentencedict.com], and similar to the Qingzang plateau strain with strong virulence.

35) Objective To test virulence of compound of Chlorpyrifos and Fendona against Blattella germanica in laboratory.

36) The vitro methods include autoagglutination test, calcium dependency test, pyrazinamidase test, salicin fermentation, esculin hydrolysis, Congo red colony test and virulence plasmid.

37) Conclusions Chromobacterium violaceum is a kind of Gram-negative bacteria, and has strong virulence.

38) Conclusion The results indicated that extracellular phospholipase is probably an important virulence factor in the pathogenesis of vulvovaginal candidosis.

39) N - acylhomoserine lactone ( AHL ), as quorum sensing signals, regulate expression of virulence factors of many plant pathogens.

40) Host resistance and fungal virulence parallel each other in the cross.

41) The strains population was virulent to all 30 rice blast monogenic lines, virulence frequency(VF)ranged from 17.

42) Virulence The relative pathogenicity of an organism; its ability to cause disease.

43) Many of these ORFs are known virulence factors associated with as observed in other pathogens.

44) Two forms of albicans were injected to murine respectively in virulence test.

45) It'suggested that : the detection of IS 605 was related to alternation in virulence of Hp.

46) Avian influenza is caused by an orthomyxovirus[sentencedict.com], or influenza virus. Viruses in this group vary widely in their pathogenicity or virulence.

47) There are two crucial factors: the transmissibility of the virus, and its virulence.

48) Kawaoka's team observed this virulence in mice and macaques as well, but pigs showed no outward signs of disease even though the virus reproduced capably in the swine respiratory system.

49) The virulence and wound infection ability of the 4 dominant vibrios have been tested in mice.

50) The above results suggest that the inheritance of virulence of the brown planthopper may be sex-linked.

51) Muramidase released protein (MRP) is a key virulence factor of SS2.

52) Aim To reval the virulence variation related to vacuolating cytotoxicity of coccoid Helicobacter pylori.

53) The virulence experiments also indicated that Chromobacterium violaceum had a strong virulence.

54) They are not only synergic in biologic activities but also interactive in molecularity, which is regulated by the genes of virulence island.

55) It was concluded that LTR was an contribution to the cell tropism and virulence of EIAV.