Agriculture Reference
In-Depth Information
Table 1. Bacterial phenotypes regulated by quorum-sensing (de Kievit & Iglewsky,
2000; Whitehead
et al.,
2001, Daniels
et al.
, 2004, Vendeville
et al.
, 2005, Waters &
Bassler, 2005, González & Keshavan, 2006, Williams
et al.,
2007)
Phenotype
Organism
Antibiotic production
Chromobacterium violaceum, Erwinia carotovora
,
Pseudomonas
aureofaciens
,
P. chlororaphis
,
P. fluorescens, Serratia marcescens
,
Serratia
spp.,
Streptomyces
spp.
Aggregation
Pseudomonas aureofaciens, Rhodobacter spharoides, Yersinia
pseudotuberculosis
Biofilm formation
Aeromonas hydrophila
,
Burkholderia cenocepacia, Helicobacter pylori,
P. aeruginosa, P. putida, Serratia liquefaciens, Streptococcus gordonii, S.
mutans
Bioluminescence
Vibrio fischeri, V. harveyi
Biosurfactant production
Bacillus subtilis, Pseudomonas aeruginosa, Serratia liquefaciens, S.
marcescens
Cell division
Escherichia coli
Cyanide production
Chromobacterium violaceum, Pseudomonas aeruginosa
Exopolysaccharide production
Pantoea stewartii, Pseudomonas syringae
Exoproteases/exoenzymes
production
Aeromonas hydrophila, A. salmonicida, Burkholderia cenocepacia, B.
pseudomallei, Chromobacterium violaceum, Erwinia carotovora, E.
chrisantemii, Pseudomonas aeruginosa, P. aureofaciens, Serratia
liquefaciens, S. proteomaculans, Staphylococcus aureus, Streptococcus
pyogenes, Vibrio vulnificus
Exotoxins
Actinobacillus actinomycetemcomitans, Clostridium perfringens,
Staphylococcus aureus, Vibrio harveyi
Growth
Rhizobium leguminosarum
bv.
viciae, R. etli
Legume nodulation
Rhizobium leguminosarum
bv.
viciae, R. etli, Sinorhizobum meliloti,
Bradyrhizobium japonicum
Nitrogen fixation
Rhizobium etli
Pigment production
Chromobacterium violaceum, Serratia marcescens, Serratia
spp.
Plasmid transfer
Agrobacterium tumefaciens, Rhizobium leguminosarum
bv.
viciae
Secretion systems
Pseudomonas aeruginosa, Escherichia coli
Siderophore biosynthesis
Burkholderia cenocepacia, Pseudomonas aeruginosa, Vibrio harveyi
Stationary phase regulation
Rhizobium leguminosarum
bv.
viciae, R. leguminosarum
bv.
phaseoli,
Nitrosomonas europaea
Swarming/motility
Burkholderia cenocepacia, Campylobacter jejuni, Pseudomonas
syringae, Rhizobium etli, Serratia liquefaciens, S. marcescens, Yersinia
enterocolitica, Y. pseudotuberculosis
Transposition frequency
Serratia marcescens
Virulence (other factors)
Erwinia carotovora, Agrobacterium vitiae, Burkholderia
spp.,
Ralstonia
solanacearum, Serratia marcescens, Shigella flexneri, Staphylococcus
aureus,V. harveyi, V. cholerae, V. vulnificus, Xanthomonas campestris,
Xenorhabdus nematophilus
Under these conditions, signal molecules rise in their concentrations (both intra- and
extracellularly) until a critical threshold is reached, wich elicits their interaction with
transcriptional regulatory proteins, inducing (or in some cases repressing) the expression of
particular genes in a cell-density dependent manner. This way, communication and