Bacteria induce settlement and metamorphosis of Janua (Dexiospira) brasiliensis Grube (Polychaeta:Spirprbidae)

Kirchman, David L.; Graham, Stephen; Reish, Donald J.; Mitchell, Ralph

doi:10.1016/0022-0981(81)90186-6

Cited by 197 publications

(106 citation statements)

References 15 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Mixed microbial films like those in the present study exert frequently positive effects on subsequent colonisers (e.g., Kirchman et al, 1982;Maki et al, 1989Maki et al, , 1990Cooksey & Wigglesworth-Cooksey, 1995). If surface tension affects the colonisation via the composition of the microbial film, the effect is either very small or else bacteria and diatom densities and microbial film composition did not differ enough between the materials.…”

Section: Discussionmentioning

confidence: 53%

Influence of initial substratum surface tension on marine micro- and macro-fouling in the Gulf of Thailand

Becker

Siriratanachai

Hormchong

1998

Helgoländer Meeresunters.

View full text Add to dashboard Cite

The density of five major groups at fouling organisms Ibacteria, diatoms, choanotlagellates, ciliates, macroorganisms) on seven artilicial substrata with surface tensions between 19.0 and 64.5 mN m ' was studied in the Gulf at Thailand. Two series of test panels r the different substrata were immersed into the sea between 3 hours and 64 days (macrotauna 128 days). The results show that surface tension has ,t limited impact on the density of the organisms. Only bacteria settled conlinuously in signilicantly lower numbers on materials within the minimum bioadheslw2 range (20-25 mN m ') than on other substrata. Signifi(:dn[ differences between the substrata may disappear after long exposure, as in series 2 after 16days For diatoms and protozoa, a colonisation pattern similar to thdt of bacteria with a minimum ol 20-25 mN m : was detected alter severdl exposure intervals, l.lowever, it was never recor(ted m more than 3 exl)osure intervals in a row. The colonisation pattern of macroorganisms could not be attributed Io substratum surface tension. An index, called "colonisation degree" is introduced to give a gene.~ral impression at the density of organisms on the materials tested. The colonisation degree did not show any signilicant difference at any exposure interval. The present results clearly suggest that substratum surface tension is easily overshadowed by other factors in colonisation processes under natural conditions.

show abstract

Section: Discussionmentioning

confidence: 53%

Influence of initial substratum surface tension on marine micro- and macro-fouling in the Gulf of Thailand

Becker

Siriratanachai

Hormchong

1998

Helgoländer Meeresunters.

View full text Add to dashboard Cite

show abstract

“…On smaller spatial scales, active larval behavior such as substrate rejection or substratum exploration determines the success of larval settlement, particularly when larvae descend to the sea floor. Larvae of many marine invertebrates require specific cues to settle and metamorphose and cues can originate from conspecific or congeneric individuals (Crisp 1984, Pawlik 1992, Rodriguez et al 1993, Qian 1999, microbial films (Kirchman et al 1982a, Maki et al 1989, Lau et al 2002, sympatric species, food items, habitat (Bryan et al 1998), and other environmental sources (Pechenik et al 1995). A variety of chemicals have been suggested to be cues that include juvenile hormones (Biggers & Laufer 1992, 1996, free fatty acids (Pawlik 1986, Pawlik & Faulkner 1986, 1988), polysaccharides (Kirchman et al 1982b), protein and small peptides , amino acids , inorganic ions (Yool et al 1986, Bryan et al 1997b, and neurotransmitters other than amino acids (Pawlik 1990).…”

Section: Introductionmentioning

confidence: 99%

Effect of amino acids on larval metamorphosis of the polychaete Hydroides elegans

Jin¹,

Qian²

2004

Mar. Ecol. Prog. Ser.

View full text Add to dashboard Cite

The inductive compounds that are cues for for the settlement and metamorphosis of polychaete Hydroides elegans larvae, isolated from adult homogenate of the same species and leachate of the bryozoan Bugula neritina, are known to be a mixture of amino acids. Here we investigated the toxicity of 20 amino acids on competent larvae. Nine amino acids were found to be toxic at certain concentrations. Subsequently, 12 out of 20 amino acids were assayed for their effect on larval metamorphosis of H. elegans. The effects of amino acids were decoupled from possible inductive effects of the bacteria in the bioassay system. The results showed that the amino acid isoleucine had no inductive effect on larval metamorphosis. Two acidic and 9 aliphatic amino acids directly induced larval metamorphosis. The effects of these amino acids were concentration-dependent. Among them, asparagine was the most active amino acid, and induced a high percentage of larval settlement at 1.0 × 10 -5 M, but became toxic at concentrations higher than 1.0 × 10 -4 M. The exact mechanisms by which amino acids directly induce larval metamorphosis are still unclear, although we assume that they act by binding to specific receptors and triggering the signal transduction pathway entirely or partially. KEY WORDS: Hydroides elegans · Larval metamorphosis · Chemical cue · Amino acid · BacteriaResale or republication not permitted without written consent of the publisher

show abstract

“…Different kinds of microbial biofilms have been described as important inductors of larval settlement in benthonic marine invertebrates. Induction has been observed both by diatom and cyanobacteria biofilms (Akashige et al, 1982), as well as by bacterial biofilms (Kirchman et al, 1982;González et al, 1987). Induction by bacteria has been widely studied; the positive effect of these types of biofilm has been observed in barnacles (Maki et al, 1988, Maki et al, 1990.…”

Section: )mentioning

confidence: 99%

“…Induction by bacteria has been widely studied; the positive effect of these types of biofilm has been observed in barnacles (Maki et al, 1988, Maki et al, 1990. The settlement response associated with these biofilms would be generated, apparently, by the presence of polysaccharides or extracellular glycoproteins attached to the bacterial wall (Kirchman et al, 1982, Hadfield, 1986, or, alternatively, soluble compounds released by the biofilms (Bonar et al, 1990). An increase in the settlement inductive potential of older bacterial biofilms was a recurring factor observed (Maki et al, 1989, Pearce and Scheibling, 1990, Mataxas and Saunders, 2009.…”

Section: )mentioning

confidence: 99%

Potency of Barnacle in Aquaculture Industry

López¹,

López²,

Pham³

et al. 2012

Aquaculture

View full text Add to dashboard Cite

Bacteria induce settlement and metamorphosis of Janua (Dexiospira) brasiliensis Grube (Polychaeta:Spirprbidae)

Cited by 197 publications

References 15 publications

Influence of initial substratum surface tension on marine micro- and macro-fouling in the Gulf of Thailand

Influence of initial substratum surface tension on marine micro- and macro-fouling in the Gulf of Thailand

Effect of amino acids on larval metamorphosis of the polychaete Hydroides elegans

Potency of Barnacle in Aquaculture Industry

Contact Info

Product

Resources

About