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苜蓿中华根瘤菌的所有结瘤基因都参与了外生多糖突变体对苜蓿的结瘤过程。

All nod genes of Rhizobium meliloti are involved in alfalfa nodulation by exo mutants.

作者信息

Klein S, Walker G C, Signer E R

机构信息

Department of Biology, Massachusetts Institute of Technology, Cambridge 02139.

出版信息

J Bacteriol. 1988 Feb;170(2):1003-6. doi: 10.1128/jb.170.2.1003-1006.1988.

DOI:10.1128/jb.170.2.1003-1006.1988
PMID:3338972
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC210757/
Abstract

Nodulation of alfalfa by exoB mutants of Rhizobium meliloti occurred without root hair curling or infection thread formation. nod exoB double mutants had the same nodulation deficiency as single nod mutants. Therefore, all the known nod genes are involved in nodule induction by exoB mutants, which apparently occurs via intercellular invasion.

摘要

苜蓿中华根瘤菌exoB突变体对苜蓿的结瘤过程在没有根毛卷曲或侵染线形成的情况下发生。nod exoB双突变体具有与单nod突变体相同的结瘤缺陷。因此，所有已知的nod基因都参与了exoB突变体的根瘤诱导，这显然是通过细胞间入侵发生的。

相似文献

1
All nod genes of Rhizobium meliloti are involved in alfalfa nodulation by exo mutants.苜蓿中华根瘤菌的所有结瘤基因都参与了外生多糖突变体对苜蓿的结瘤过程。
J Bacteriol. 1988 Feb;170(2):1003-6. doi: 10.1128/jb.170.2.1003-1006.1988.
2
Assignment of symbiotic developmental phenotypes to common and specific nodulation (nod) genetic loci of Rhizobium meliloti.将共生发育表型赋予苜蓿根瘤菌常见和特定的结瘤（nod）基因座
J Bacteriol. 1986 Dec;168(3):1075-86. doi: 10.1128/jb.168.3.1075-1086.1986.
3
Organization, structure and symbiotic function of Rhizobium meliloti nodulation genes determining host specificity for alfalfa.苜蓿中华根瘤菌决定对苜蓿宿主特异性的结瘤基因的组织、结构和共生功能
Cell. 1986 Aug 1;46(3):335-43. doi: 10.1016/0092-8674(86)90654-9.
4
Structural studies of alfalfa roots infected with nodulation mutants of Rhizobium meliloti.苜蓿根瘤菌结瘤突变体感染的苜蓿根的结构研究。
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5
Localization of nodulation gene on the chromosome of Rhizobium meliloti.苜蓿根瘤菌染色体上结瘤基因的定位
Acta Microbiol Pol. 1983;32(1):11-8.
6
Expression of nodule-specific genes in alfalfa root nodules blocked at an early stage of development.苜蓿根瘤中在发育早期受阻的根瘤特异性基因的表达。
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Two gene clusters of Rhizobium meliloti code for early essential nodulation functions and a third influences nodulation efficiency.苜蓿根瘤菌的两个基因簇编码早期必需的结瘤功能，第三个基因簇影响结瘤效率。
J Bacteriol. 1986 Sep;167(3):881-7. doi: 10.1128/jb.167.3.881-887.1986.
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Rhizobium meliloti has three functional copies of the nodD symbiotic regulatory gene.苜蓿根瘤菌有三个功能拷贝的nodD共生调控基因。
Proc Natl Acad Sci U S A. 1987 Dec;84(23):8558-62. doi: 10.1073/pnas.84.23.8558.
9
Interaction of nod and exo Rhizobium meliloti in alfalfa nodulation.苜蓿中华根瘤菌的结瘤基因（nod）和胞外多糖基因（exo）在苜蓿结瘤过程中的相互作用
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Identification of a Rhizobium meliloti pSym2011 region controlling the host specificity of root hair curling and nodulation.鉴定苜蓿根瘤菌pSym2011中控制根毛卷曲和结瘤宿主特异性的区域。
J Bacteriol. 1985 Dec;164(3):1200-10. doi: 10.1128/jb.164.3.1200-1210.1985.

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Rhizobium meliloti host range nodH gene determines production of an alfalfa-specific extracellular signal.苜蓿中华根瘤菌宿主范围nodH基因决定一种苜蓿特异性细胞外信号的产生。
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Rhizobium meliloti mutants that overproduce the R. meliloti acidic calcofluor-binding exopolysaccharide.过量产生苜蓿中华根瘤菌酸性钙黄绿素结合胞外多糖的苜蓿中华根瘤菌突变体。
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Antonie Van Leeuwenhoek. 1989 Nov;56(4):357-60. doi: 10.1007/BF00443749.
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The exoD gene of Rhizobium meliloti encodes a novel function needed for alfalfa nodule invasion.苜蓿中华根瘤菌的exoD基因编码苜蓿根瘤侵染所需的一种新功能。
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本文引用的文献

1
Isolation and characterization of nodulation genes from Bradyrhizobium sp. (Vigna) strain IRc 78.从慢生根瘤菌（豇豆）菌株 IRc 78 中分离和鉴定结瘤基因。
Proc Natl Acad Sci U S A. 1985 Nov;82(21):7379-83. doi: 10.1073/pnas.82.21.7379.
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Ultrastructural analysis of ineffective alfalfa nodules formed by nif::Tn5 mutants of Rhizobium meliloti.苜蓿中华根瘤菌nif::Tn5突变体形成的无效苜蓿根瘤的超微结构分析。
J Bacteriol. 1983 Jul;155(1):367-80. doi: 10.1128/jb.155.1.367-380.1983.
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General transduction in Rhizobium meliloti.苜蓿根瘤菌中的一般转导
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4
Identification of a Rhizobium meliloti pSym2011 region controlling the host specificity of root hair curling and nodulation.鉴定苜蓿根瘤菌pSym2011中控制根毛卷曲和结瘤宿主特异性的区域。
J Bacteriol. 1985 Dec;164(3):1200-10. doi: 10.1128/jb.164.3.1200-1210.1985.
5
Nodules are induced on alfalfa roots by Agrobacterium tumefaciens and Rhizobium trifolii containing small segments of the Rhizobium meliloti nodulation region.含有苜蓿根瘤菌结瘤区域小片段的根癌土壤杆菌和三叶草根瘤菌可在苜蓿根上诱导形成根瘤。
J Bacteriol. 1985 Jan;161(1):223-30. doi: 10.1128/jb.161.1.223-230.1985.
6
Induction of Rhizobium meliloti nodC expression by plant exudate requires nodD.植物分泌物诱导苜蓿根瘤菌nodC表达需要nodD。
Proc Natl Acad Sci U S A. 1985 Oct;82(19):6609-13. doi: 10.1073/pnas.82.19.6609.
7
Characterization of a Rhizobium meliloti fixation gene (fixF) located near the common nodulation region.对位于常见结瘤区域附近的苜蓿根瘤菌固氮基因（fixF）的特性分析。
J Bacteriol. 1985 Oct;164(1):245-54. doi: 10.1128/jb.164.1.245-254.1985.
8
Exopolysaccharide-deficient mutants of Rhizobium meliloti that form ineffective nodules.形成无效根瘤的苜蓿根瘤菌胞外多糖缺陷型突变体。
Proc Natl Acad Sci U S A. 1985 Sep;82(18):6231-5. doi: 10.1073/pnas.82.18.6231.
9
Nodulation of legumes by Rhizobium: the recognized root?根瘤菌对豆科植物的结瘤作用：公认的根源？
Cell. 1986 Oct 24;47(2):153-4. doi: 10.1016/0092-8674(86)90436-8.
10
Two gene clusters of Rhizobium meliloti code for early essential nodulation functions and a third influences nodulation efficiency.苜蓿根瘤菌的两个基因簇编码早期必需的结瘤功能，第三个基因簇影响结瘤效率。
J Bacteriol. 1986 Sep;167(3):881-7. doi: 10.1128/jb.167.3.881-887.1986.