Embryonic brooding and clonal propagation in tropical eastern pacific cupuladriid bryozoans

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Embryonic brooding and clonal propagation in tropical eastern pacific cupuladriid bryozoans. / O'dea, Aaron; Ostrovsky, Andrew N.; Rodrguez, Felix.

In: Journal of the Marine Biological Association of the United Kingdom, Vol. 90, No. 2, 03.2010, p. 291-299.

Research output: Contribution to journal › Article › peer-review

Author

O'dea, Aaron ; Ostrovsky, Andrew N. ; Rodrguez, Felix. / Embryonic brooding and clonal propagation in tropical eastern pacific cupuladriid bryozoans. In: Journal of the Marine Biological Association of the United Kingdom. 2010 ; Vol. 90, No. 2. pp. 291-299.

BibTeX

@article{96ac054e4ddb4d95a0886a92a73202cc,

title = "Embryonic brooding and clonal propagation in tropical eastern pacific cupuladriid bryozoans",

abstract = "Colonial invertebrates often mix sexual and asexual methods of propagation, and a comprehensive understanding of both is required for life history study. The asexual cloning of new colonies in cupuladriid bryozoans is much better studied than the formation of new colonies by sexual reproduction. As such, the relative investments of sexual and asexual modes of propagation remain uncertain. This preliminary study explores patterns of embryonic brooding as a measure of investment into sexual reproduction. We conduct a survey of quantity and arrangement of embryos in tropical eastern Pacific cupuladriid colonies and compare this to the frequency of cloning. Species populations show considerable variation in embryonic brooding. Patterns of brooding, both across and within species strongly support the hypothesis that as cloning increases, investment into sexual reproduction decreases. We find preliminary evidence that individual cupuladriid colonies that propagate sexually may senesce like solitary organisms, while species that regularly clone only appear to experience senescence at the level of the zooid.",

keywords = "CDlonal propagation, Cupuladriid bryozoans, Embryonic brooding, Tropical eastern Pacific",

author = "Aaron O'dea and Ostrovsky, {Andrew N.} and Felix Rodrguez",

year = "2010",

month = mar,

doi = "10.1017/S0025315409000940",

language = "English",

volume = "90",

pages = "291--299",

journal = "Journal of the Marine Biological Association of the United Kingdom",

issn = "0025-3154",

publisher = "Cambridge University Press",

number = "2",

}

RIS

TY - JOUR

T1 - Embryonic brooding and clonal propagation in tropical eastern pacific cupuladriid bryozoans

AU - O'dea, Aaron

AU - Ostrovsky, Andrew N.

AU - Rodrguez, Felix

PY - 2010/3

Y1 - 2010/3

N2 - Colonial invertebrates often mix sexual and asexual methods of propagation, and a comprehensive understanding of both is required for life history study. The asexual cloning of new colonies in cupuladriid bryozoans is much better studied than the formation of new colonies by sexual reproduction. As such, the relative investments of sexual and asexual modes of propagation remain uncertain. This preliminary study explores patterns of embryonic brooding as a measure of investment into sexual reproduction. We conduct a survey of quantity and arrangement of embryos in tropical eastern Pacific cupuladriid colonies and compare this to the frequency of cloning. Species populations show considerable variation in embryonic brooding. Patterns of brooding, both across and within species strongly support the hypothesis that as cloning increases, investment into sexual reproduction decreases. We find preliminary evidence that individual cupuladriid colonies that propagate sexually may senesce like solitary organisms, while species that regularly clone only appear to experience senescence at the level of the zooid.

AB - Colonial invertebrates often mix sexual and asexual methods of propagation, and a comprehensive understanding of both is required for life history study. The asexual cloning of new colonies in cupuladriid bryozoans is much better studied than the formation of new colonies by sexual reproduction. As such, the relative investments of sexual and asexual modes of propagation remain uncertain. This preliminary study explores patterns of embryonic brooding as a measure of investment into sexual reproduction. We conduct a survey of quantity and arrangement of embryos in tropical eastern Pacific cupuladriid colonies and compare this to the frequency of cloning. Species populations show considerable variation in embryonic brooding. Patterns of brooding, both across and within species strongly support the hypothesis that as cloning increases, investment into sexual reproduction decreases. We find preliminary evidence that individual cupuladriid colonies that propagate sexually may senesce like solitary organisms, while species that regularly clone only appear to experience senescence at the level of the zooid.

KW - CDlonal propagation

KW - Cupuladriid bryozoans

KW - Embryonic brooding

KW - Tropical eastern Pacific

UR - http://www.scopus.com/inward/record.url?scp=77953575214&partnerID=8YFLogxK

U2 - 10.1017/S0025315409000940

DO - 10.1017/S0025315409000940

M3 - Article

VL - 90

SP - 291

EP - 299

JO - Journal of the Marine Biological Association of the United Kingdom

JF - Journal of the Marine Biological Association of the United Kingdom

SN - 0025-3154

IS - 2

ER -

ID: 5054953