flhB
168
part of the flagellar type III export apparatus (flagellar Type III secretion system), part of the CORE complex required for flagellum and nanotube assembly
locus
BSU_16380
Molecular weight
40.94 kDa
pI
9.77
function
flagellum and nanotube assembly
product
part of the type III CORE export apparatus
essential
no
synonyms
flhB
Outlinks
Genomic Context
Categories containing this gene/protein
List of homologs in different organisms, belongs to COG1377 (Galperin et al., 2021)
This gene is a member of the following regulons
Gene
Coordinates
1,706,599 1,707,681
Phenotypes of a mutant
no secretion of [protein|F03144BF8A187C8931938A21433431B8961E8EE7|flgM], permanent inhibition of [protein|7024E4162A6D827069F882FDEACA696EBC05DD40|sigD] [Pubmed|25313396]
deficient in both nanotube production and the associated intercellular molecular trafficking [pubmed|30929979]
defective in [category|SW.4.1.4|Swarming] motility [pubmed|35638827]
additional information
the [gene|search|fhlB] gene is often inactivated during adaptation to plants [pubmed|37466402]
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The protein
Protein family
Type III secretion exporter family (single member, according to UniProt)
Structure
[PDB|6S3L] (from Vibrio mimicus, 37% identity) [pubmed|32157081]
[AF|P35538]
[wiki|Localization]
cell membrane, 4 transmembrane helices [Pubmed|24064315]
Expression and Regulation
Operons
genes
[gene|E7D735A16C35FBC635CFDB92ECB1C84F442D0DF0|ylxF]-[gene|42277DE1030E6FEB416EAE381CD40A54D49736FF|fliK]-[gene|819FAE47ADC9A4FE55C8F2105E19FA7EE286FC0C|flgD]-[gene|DC906ED8D787602B5796BAD8FD81F02C4BAC8D13|flgE]-[gene|321BFB8FA97A749B1C569812A192EEE2AF348F97|swrD]-[gene|2CCB8AD9238D18BA2361020A671844C021E81EE0|fliL]-[gene|1D51AF3E6456F126203D7C7273FB828A47E26DFB|fliM]-[gene|2E73F8DD89F7CFCDE7FAFC58220D8171D0913BAC|fliY]-[gene|2F0495C7EAB81BDB1F3181677C555537BD2A972F|cheY]-[gene|C2C67880EDF09E1BA75A4791628EE1982F9B6B0B|fliO]-[gene|6ED6C3DDC4F3142FD01D32840D955B7E4A19F385|fliP]-[gene|A3C07B70C87D671979D053A6272A0FCDED6F3BB7|fliQ]-[gene|9856F25F23264AD1402A85AE9E25F10B68CAD739|fliR]-[gene|68DB2871A88535714C84FE86006AB54CEB6F0EAD|flhB]-[gene|974FA844E263AA694477992FA50468CB8EFAB807|flhA]-[gene|BB6F5D7463EF96E2C6344D0BC30A227C5E3B5817|flhF]-[gene|D6D34E68FB3BAAACB533F98290FD363A5B00B2C6|flhG]-[gene|B0415A8CD040EC714B54F4038E065B3E1E20A271|cheB]-[gene|6B3B222E56BF0C95A2371CA5208B5522B44D4689|cheA]-[gene|887D84520DF3D5F22DED525C1C17130EDE60DC36|cheW]-[gene|DC9B5446484E42F46EB2B0541192D7D8B4B3AC8F|cheC]-[gene|BE9373BEB682E5F8B0938AAA4ED9B723B357ABAE|cheD]-[gene|7024E4162A6D827069F882FDEACA696EBC05DD40|sigD]-[gene|347ACF1D4E2D0C1B4E9DF0DEA9807A6A7D1519AC|swrB]
description
[Pubmed|20233303]
regulation
see [wiki|fla-che operon]
regulatory mechanism
[protein|2C54FE2ADC82FF414D732018C90649D477A925AD|spo0A]: repression, in [regulon|protein:2C54FE2ADC82FF414D732018C90649D477A925AD|spo0A regulon]
[protein|90ACE0DECA58D3C1A55E135120F7A0C1C920571C|codY]: repression, in [regulon|protein:90ACE0DECA58D3C1A55E135120F7A0C1C920571C|codY regulon]
[protein|D343D2096664A972026D911E7A17A35C7B1CD1C9|degU]: repression, in [regulon|protein:D343D2096664A972026D911E7A17A35C7B1CD1C9|degU regulon]
[protein|5D479874B43F521DB52EDC2C27CDE4967F22DE47|swrA]: activation, in [regulon|protein:5D479874B43F521DB52EDC2C27CDE4967F22DE47|swrA regulon]
sigma factors
[protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|sigA]: sigma factor, [Pubmed|9657996], in [regulon|protein:360F48D576DE950DF79C1A2677B7A35A8D8CC30C|sigA regulon]
[protein|7024E4162A6D827069F882FDEACA696EBC05DD40|sigD]: sigma factor, [Pubmed|20233303], in [regulon|protein:7024E4162A6D827069F882FDEACA696EBC05DD40|sigD regulon]
genes
[gene|1C6C8DB02E10EAC0588389D9F0D3AF3E19172C5C|flgB]-[gene|CC423DE6481353699B0CD3A2B8BBC36967A832CC|flgC]-[gene|7E8F88F7A9CAD4ED0927CDC6AAFDEDC08197C709|fliE]-[gene|EB815705133E3318F655F6024B7D9BA587FD1DDA|fliF]-[gene|8DDCC3D139ACCB635BF014946E1282A72D535390|fliG]-[gene|4D8CF3BED8F94DE3F8FCDEB1FE55D5F1D17FE26F|fliH]-[gene|401459F105BC8A8342341D953AE259D6C3868AB6|fliI]-[gene|600DECF2BE9ADCAB87E53790CE4F0D61F8B3F7CC|fliJ]-[gene|E7D735A16C35FBC635CFDB92ECB1C84F442D0DF0|ylxF]-[gene|42277DE1030E6FEB416EAE381CD40A54D49736FF|fliK]-[gene|819FAE47ADC9A4FE55C8F2105E19FA7EE286FC0C|flgD]-[gene|DC906ED8D787602B5796BAD8FD81F02C4BAC8D13|flgE]-[gene|321BFB8FA97A749B1C569812A192EEE2AF348F97|swrD]-[gene|2CCB8AD9238D18BA2361020A671844C021E81EE0|fliL]-[gene|1D51AF3E6456F126203D7C7273FB828A47E26DFB|fliM]-[gene|2E73F8DD89F7CFCDE7FAFC58220D8171D0913BAC|fliY]-[gene|2F0495C7EAB81BDB1F3181677C555537BD2A972F|cheY]-[gene|C2C67880EDF09E1BA75A4791628EE1982F9B6B0B|fliO]-[gene|6ED6C3DDC4F3142FD01D32840D955B7E4A19F385|fliP]-[gene|A3C07B70C87D671979D053A6272A0FCDED6F3BB7|fliQ]-[gene|9856F25F23264AD1402A85AE9E25F10B68CAD739|fliR]-[gene|68DB2871A88535714C84FE86006AB54CEB6F0EAD|flhB]-[gene|974FA844E263AA694477992FA50468CB8EFAB807|flhA]-[gene|BB6F5D7463EF96E2C6344D0BC30A227C5E3B5817|flhF]-[gene|D6D34E68FB3BAAACB533F98290FD363A5B00B2C6|flhG]-[gene|B0415A8CD040EC714B54F4038E065B3E1E20A271|cheB]-[gene|6B3B222E56BF0C95A2371CA5208B5522B44D4689|cheA]-[gene|887D84520DF3D5F22DED525C1C17130EDE60DC36|cheW]-[gene|DC9B5446484E42F46EB2B0541192D7D8B4B3AC8F|cheC]-[gene|BE9373BEB682E5F8B0938AAA4ED9B723B357ABAE|cheD]-[gene|7024E4162A6D827069F882FDEACA696EBC05DD40|sigD]-[gene|347ACF1D4E2D0C1B4E9DF0DEA9807A6A7D1519AC|swrB]
description
[Pubmed|9657996,8157612,15175317]
regulation
expression during spore [wiki|germination] is strongly reduced under conditions of osmotic stress [Pubmed|27766092]
regulatory mechanism
[protein|2C54FE2ADC82FF414D732018C90649D477A925AD|spo0A]: repression, in [regulon|protein:2C54FE2ADC82FF414D732018C90649D477A925AD|spo0A regulon]
[protein|5D479874B43F521DB52EDC2C27CDE4967F22DE47|swrA]: activation, in [regulon|protein:5D479874B43F521DB52EDC2C27CDE4967F22DE47|swrA regulon]
[protein|90ACE0DECA58D3C1A55E135120F7A0C1C920571C|codY]: repression, in [regulon|protein:90ACE0DECA58D3C1A55E135120F7A0C1C920571C|codY regulon]
[protein|D343D2096664A972026D911E7A17A35C7B1CD1C9|degU]: repression, in [regulon|protein:D343D2096664A972026D911E7A17A35C7B1CD1C9|degU regulon]
sigma factors
[protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|sigA]: sigma factor, [Pubmed|9657996], in [regulon|protein:360F48D576DE950DF79C1A2677B7A35A8D8CC30C|sigA regulon]
[protein|7024E4162A6D827069F882FDEACA696EBC05DD40|sigD]: sigma factor, [Pubmed|9657996], in [regulon|protein:7024E4162A6D827069F882FDEACA696EBC05DD40|sigD regulon]
Biological materials
Mutant
BKE16380 ([gene|68DB2871A88535714C84FE86006AB54CEB6F0EAD|flhB]::erm trpC2) available at [http://bgsc.org/getdetail.php?bgscid=BKE16380 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CTGCAGGTCAACTCTAAGCT, downstream forward: _UP4_TGAATTTTTCGATTTAAAAG
BKK16380 ([gene|68DB2871A88535714C84FE86006AB54CEB6F0EAD|flhB]::kan trpC2) available at [http://bgsc.org/getdetail.php?bgscid=BKK16380 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CTGCAGGTCAACTCTAAGCT, downstream forward: _UP4_TGAATTTTTCGATTTAAAAG
References
Reviews
Original Publications
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Time of last update: 2024-12-10 10:28:13
Author of last update: Jstuelk