Evolution of Parental Care and Ovulation Behavior in Oysters

Foighil, Diarmaid Ó; Taylor, Derek J.

doi:10.1006/mpev.1999.0755

Cited by 75 publications

(53 citation statements)

References 51 publications

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“…During the Oligocene and Miocene periods, there was a great variety of oyster species, most of which had large and thick shells and inhabited littoral areas in the Western Atlantic (Kirby 2001). Some of these oysters probably gave rise to the Atlantic Crassostreini lineage after the Tethys Seaway closure (Ó Foighil & Taylor 2000).…”

Section: Phylogenetic Relationships Among Atlantic Crassostrea Speciementioning

confidence: 99%

“…Phylogenetic studies have demonstrated the existence of 2 evolutionary lineages within the Crassostrea genus, one from the Atlantic and another from the Pacific, which could have been formed during the closure of the Tethys Seaway (Ó Foighil & Taylor 2000). Molecular phylogenies of both nuclear and mitochondrial genomes have helped to clarify the taxonomic confusion of the Pacific Crassostrea species (Reece et al 2008, Wu et al 2010.…”

Section: Introductionmentioning

confidence: 99%

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Phylogeny and phylogeography of Atlantic oyster species: evolutionary history, limited genetic connectivity and isolation by distance

Lazoski¹,

Gusmão²,

Boudry³

et al. 2011

Mar. Ecol. Prog. Ser.

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The phylogenetic relationships between naturally occurring Atlantic Crassostrea oyster species were inferred through analyses of mitochondrial (cytochrome oxidase subunit I and 16S) and nuclear (second internal transcribed spacer) sequences. We also scored 15 allozyme loci on 422 oysters to study population structuring of C. rhizophorae and C. brasiliana along 9000 km of the Western Atlantic coastline. Despite morphological similarities, C. virginica was genetically more closely related to C. rhizophorae than to C. brasiliana. In contrast, C. paraibanensis was genetically indistinguishable from C. brasiliana, which is probably a junior synonym of the African C. gasar. Significant genetic differentiation between populations of C. rhizophorae and C. gasar were found along the Western Atlantic coast, supporting an isolation-by-distance pattern.

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Section: Phylogenetic Relationships Among Atlantic Crassostrea Speciementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Phylogeny and phylogeography of Atlantic oyster species: evolutionary history, limited genetic connectivity and isolation by distance

Lazoski¹,

Gusmão²,

Boudry³

et al. 2011

Mar. Ecol. Prog. Ser.

View full text Add to dashboard Cite

show abstract

“…Therefore, use of continuous measures like egg size or nurse egg number (Marko et al, 2014;, and more nuanced descriptions of development that separate modes of development into multiple discrete states (Collin, 2004;Keever and Hart, 2008) are likely to produce more robust results. In addition, simultaneous analyses of correlated characters or characters that may influence or constrain the trait of interest may significantly improve results (Ó Foighil and Taylor, 2000;Krug et al, 2015). Therefore, as much care should be put into coding characters-including the most appropriate traits as correlates-as is put into the analyses themselves.…”

Section: Future Directions and Unanswered Questions For Analytical Apmentioning

confidence: 99%

Evolutionary Transitions in Mode of Development

Collin¹,

Moran²

2017

Evolutionary Ecology of Marine Invertebrate Larvae

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In the large body of literature on ecological and evolutionary mechanisms underlying transitions between planktotrophy and lecithotrophy, the focus has typically covered long evolutionary timescales; that is, evolution of complex larval traits is generally discussed in the context of phylogenetic patterns detectable at the level of families, classes, or phyla. An analytical approach incorporating comparative phylogenetics is increasingly used to address these long-view questions. Here, we discuss what has been learned from taking a comparative phylogenetic approach and the limitations of this approach. We propose that approaches based on a closer view—that is, analyses that focus on genetic, morphological, and functional variation among individuals, populations, or closely related congeners—have greater potential to answer questions about mechanisms underlying the loss and regain of major complex characters such as feeding larvae.

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“…The mtDNA analysis of Reid et al (1996) left some relationships between lecithotrophic and planktotrophic species unresolved but was at least consistent with a single origin of lecithotrophy. Similarly, Ó Foighil & Taylor (2000) used rDNA sequences to analyze relationships among oyster species and discovered a well-supported clade Character conflict in sea stars Allen Press • DTPro System…”

Section: Galley 352mentioning

confidence: 99%

Strong character incongruence and character choice in phylogeny of sea stars of the Asterinidae

Hart

Johnson

Addison

et al. 2004

Invertebrate Biology

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Abstract. Historically, characters from early animal development have been a potentially rich source of phylogenetic information, but many traits associated with the gametes and larval stages of animals with complex life cycles are widely suspected to have evolved frequent convergent similarities. Such convergences will confound true phylogenetic relationships. We compared phylogenetic inferences based on early life history traits with those from mitochondrial DNA sequences for sea stars in the genera Asterina, Cryptasterina, and Patiriella (Valvatida: Asterinidae). Analysis of these two character sets produced phylogenies that shared few clades. We quantified the degree of homoplasy in each character set when mapped onto the phylogeny inferred from the alternative characters. The incongruence between early life history and nucleotide characters implies more homoplasy in the life history character set. We suggest that the early life history traits in this case are most likely to be misleading as phylogenetic characters because simple adaptive models predict convergence in early life histories. We show that adding early life history characters may slightly improve a phylogeny based on nucleotide sequences, but adding nucleotide characters may be critically important to improving inferences from phylogenies based on early life history characters.Additional key words: total evidence, modes of development, life history, mtDNA, AsteroideaThe choice of characters for use in phylogenetic analyses is an important and contentious issue in animal phylogenetics. Since Haeckel (1866), phenotypic characters from the earliest parts of the life cycle (such as the morphological forms of planktonic larvae) have been viewed as a potentially rich source of phylogenetic information. However, even in the early 20 th century, there was growing skepticism of the utility of early life history characters for tracing evolutionary relationships (e.g., Conklin 1928; Gould 1977). The subsequent growth of larval ecology as a research discipline led to renewed interest in the phylogenetic history of embryological and larval diversity, with a sharp focus on the study of early life history characters expressed during sexual reproduction or during larval development before metamorphosis to the adult form (McHugh & Rouse 1998). Molecular phylogenetic studies of taxa that include species with diverse early a Author for correspondence. E-mail: michael.hart@dal.ca b Present address: Department of Biological Sciences, SimonFraser University, Burnaby, British Columbia V5A 1S6, Canada life histories have suggested the evolution of convergent similarities in early life history characters such as egg size, type of parental care, offspring dispersal ability, larval morphology, and fertilization ecology (Hart 2000). Many of these characters reflect functional adaptations of a complex life cycle in which individuals sequentially inhabit planktonic and benthic habitats: the similarities in character states could represent shared ancestral states as a result ...

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Evolution of Parental Care and Ovulation Behavior in Oysters

Cited by 75 publications

References 51 publications

Phylogeny and phylogeography of Atlantic oyster species: evolutionary history, limited genetic connectivity and isolation by distance

Phylogeny and phylogeography of Atlantic oyster species: evolutionary history, limited genetic connectivity and isolation by distance

Evolutionary Transitions in Mode of Development

Strong character incongruence and character choice in phylogeny of sea stars of the Asterinidae

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