CAMPYLOBACTER-NITROFIGILIS SP-NOV, A NITROGEN-FIXING BACTERIUM ASSOCIATED WITH ROOTS OF SPARTINA-ALTERNIFLORA LOISEL
CAMPYLOBACTER-NITROFIGILIS SP-NOV, A NITROGEN-FIXING BACTERIUM ASSOCIATED WITH ROOTS OF SPARTINA-ALTERNIFLORA LOISEL
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DOI：
10.1099/00207713-33-3-605
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发表时间：
1983-01-01
期刊：
影响因子：
--
通讯作者：
DAVIS, RE
中科院分区：
文献类型：
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作者：
MCCLUNG, CR;PATRIQUIN, DG;DAVIS, RE
专性微需氧固氮菌与S. Alterniflora Loisel和加拿大新斯科舍省和美国格鲁吉亚盐沼的根相关沉积物中。这些细菌不同于先前描述的物种，因此代表一个新物种。所研究的所有菌株的细胞都是小的，刚性的，弯曲的，能动的和杆状的，并且具有单极鞭毛。代谢是呼吸性的，菌株利用有机酸和氨基酸，而不是碳水化合物，作为唯一的钙源。聚-β-不产生羟基丁酸盐。这些性状和这些菌株的DNA的鸟嘌呤加胞嘧啶含量（28.3 . ±. 0.1 mol%）表明它们是该属的成员（Campylobacter Sebald and贝隆1963.这些菌株可以与先前描述的弯曲杆菌属（Campylobacter spp.）固氮酶的存在、对NaCl的耐受性和明显的需求、色氨酸产生色素、其他生化性状的组合以及它们与植物根的联系。这些菌株代表了一个新种，C.硝基石油将菌株Cl（= ATCC 33309）指定为模式菌株。
Obligately microaerophilic, N2-fixing bacteria are associated with roots of S. alterniflora Loisel and in root-associated sediments from salt marshes in Nova Scotia, Canada and Georgia, USA. These bacteria differ from previously described species and thus represent a new species. The cells of all strains which were studied are small, rigid, curved, motile and rod shaped and have single polar flagella. Metabolism is respiratory and the strains utilize organic and amino acids, but not carbohydrates, as sole Ca sources. Poly-.beta.-hydroxybutrate is not produced. These traits and the guanine-plus-cytosine contents of the DNA of these strains (28.3 .+-. 0.1 mol%) indicate that they are members of the genus (Campylobacter Sebald and Veron 1963. These strains can be distinguished from the previously described Campylobacter spp. by the presence of nitrogenase, by their tolerance of and apparent requirement for NaCl, by the production of pigment from tryptophan, by a combination of other biochemical traits and by their association with plant roots. These strains represent a new species, C. nitrofigilis. Strain CI (= ATCC 33309) was designated as the type strain.