Specificity of two temperate dinoflagellate?anthozoan associations from the north-western Pacific Ocean

Rodríguez-Lanetty, Mauricio; Chang, Soo-Jung; Song, Juhun

doi:10.1007/s00227-003-1165-x

Cited by 63 publications

(31 citation statements)

References 39 publications

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“…of clade C1/3 that was observed in Heteractis sp. They belong to the same order of Actiniaria and are distributed at the same habitat at Jeju Island, Korea (Rodriguez Lanetty et al 2003) and in E. quadricolor at Kyushu, Japan (Ono et al 2010). Even though Symbiodinium species of subclade C1/3 were known to be host 'generalists' (LaJeunesse 2005), these symbionts were only found in Heteractis sp.…”

Section: Discussionmentioning

confidence: 99%

“…AF170140), B (AF170152) (Baker 1999), subclade C1 (FJ529523), C3 (FJ529524) (Sampayo et al 2009), F3 (AJ291521) ), F3 (AJ830911) (Pochon et al 2006), the symbionts of Heteractis sp. (AY186623) (Rodriguez-Lanetty et al 2003), and Gymnodinium beii (accession no. AF060900) (Wilcox 1998).…”

Section: Sequence Identification and Phylogenetic Analysismentioning

confidence: 99%

“…DNA sequencing of the ribosomal small subunit (SSU) (Carlos et al 1999), the partial large subunit (LSU) Pochon et al 2001), and the internal transcribed spacers (ITS1 and 2) and 5.8S rDNA region (LaJeunesse 2001;van Oppen et al 2001) revealed a diverse clade of Symbiodinium sp. The D1 and D2 region of LSU and ITS1 rDNA are well-resolved markers to identify Symbiodinium as clades A, B, C, D, E, F and G (Baker 2003;Rodriguez-Lanetty 2003).…”

Section: Introductionmentioning

confidence: 99%

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Two anthozoans,Entacmaea quadricolor(order Actiniaria) andAlveopora japonica(order Scleractinia), host consistent genotypes ofSymbiodiniumspp. across geographic ranges in the northwestern Pacific Ocean

Chang¹,

Rodríguez-Lanetty

Yanagi

et al. 2011

Animal Cells and Systems

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The actiniarian sea anemone, Entacmaea quadricolor, and the scleractinian coral, Alveopora japonica, host symbiotic dinoflagellates belonging to the genus Symbiodinium (Freudenthal). We studied the hostÁsymbiont specificity of these two anthozoan hosts in the northwestern Pacific Ocean. Symbionts within the two hosts were identified using partial large subunit (LSU) ribosomal DNA (rDNA) and complete internal transcribed spacers (ITS) 1 rDNA regions. The host, E. quadricolor, was identified using the partial LSU rDNA molecular marker. Genetic analysis showed that E. quadricolor only harbors dinoflagellates belonging to subclade C1/3 of the genus Symbiodinium. Moreover, no genetic variation was detected among the symbionts of E. quadricolor within the study region (Korea and Japan), even though the two distant sites were separated by more than 1000 km, at collection depths of 1 m in shallow and 13Á16 m in deep water. Whilst scleractinian corals host multiple Symbiodinium clades in tropical waters, A. japonica, sampled over a wide geographical range (800 km) within the study region, only hosts Symbiodinium sp. clade F3. The high specificity of endosymbionts in E. quadricolor and A. japonica within the northwestern Pacific Ocean could be accounted for because symbiotic dinoflagellates within the host anemones appear to be acquired maternally, and the Kuroshio Current might affect the marine biota of the northwestern Pacific. However, the consistency of the symbiotic relationships between these two anthozoan hosts and their endosymbionts could change after climate change, so this symbiotic specificity should be monitored.

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Section: Discussionmentioning

confidence: 99%

Section: Sequence Identification and Phylogenetic Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Two anthozoans,Entacmaea quadricolor(order Actiniaria) andAlveopora japonica(order Scleractinia), host consistent genotypes ofSymbiodiniumspp. across geographic ranges in the northwestern Pacific Ocean

Chang¹,

Rodríguez-Lanetty

Yanagi

et al. 2011

Animal Cells and Systems

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“…Mar Ecol Prog Ser 391: [65][66][67][68][69][70][71][72] 2009 in some species (Chen et al 2005), while in many cases no seasonal pattern was discerned in studies over 3 and 5 yr periods (Thornhill et al 2006a,b) or during extreme temperature fluctuations over the course of a year (Rodriguez-Lanetty et al 2003).…”

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confidence: 99%

“…This raises the possibility of seasonal change in symbiont composition. Temporal variation has been examined among scleractinian corals where symbiont assemblages varied seasonally in some species (Chen et al 2005), while in many cases no seasonal pattern was discerned in studies over 3 and 5 yr periods (Thornhill et al 2006a,b) or during extreme temperature fluctuations over the course of a year (Rodriguez-Lanetty et al 2003).…”

Section: Introductionmentioning

confidence: 99%

Stability of symbiotic dinoflagellate type in the octocoral Briareum asbestinum

Hannes¹,

Barbeitos²,

Coffroth³

2009

Mar. Ecol. Prog. Ser.

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Coral bleaching -the loss of photosynthetic algal symbionts from their cnidarian hosts -can lead to coral mortality and subsequent reef degradation. To understand the phenomenon of coral bleaching it is imperative to understand natural fluctuations in symbiotic dinoflagellate diversity and density. In this study, Symbiodinium type, based on length variation in domain V of the chloroplast large subunit of rDNA (cp23S rDNA), and cell densities were followed in 2 populations of the octocoral Briareum asbestinum over 1 yr. Symbiodinium type varied little over the course of the study despite anomalously cold sea surface temperatures during January 2003, when B. asbestinum populations experienced a significant loss of symbionts. This provides some of the first evidence that Caribbean octocorals are susceptible to cold-water bleaching events. Furthermore, the symbiont stability observed within B. asbestinum contributes to an increasing number of studies suggesting that many zooxanthellate coral species may not respond to fluctuating environments by changing symbionts.KEY WORDS: Bleaching · Coral · Symbiodinium · Symbiosis · Zooxanthellae · Diversity Resale or republication not permitted without written consent of the publisherMar Ecol Prog Ser 391: [65][66][67][68][69][70][71][72] 2009 in some species (Chen et al. 2005), while in many cases no seasonal pattern was discerned in studies over 3 and 5 yr periods (Thornhill et al. 2006a,b) or during extreme temperature fluctuations over the course of a year (Rodriguez-Lanetty et al. 2003).Decreases in the density of symbiotic dinoflagellates are generally proportional to increases in temperature (Coles & Jokiel 1978, Glynn & D'Croz 1990, Fitt & Warner 1995. In a 2 to 5 yr study of 5 scleractinian species, Fitt et al. (2000) found the lowest densities of symbiotic dinoflagellates at the end of the summer season when seawater temperatures were high (termed 'seasonal bleaching' by Fitt et al. 2000). Aside from seasonal bleaching, there are numerous studies documenting, forecasting and modeling widespread bleaching events caused by anomalously warm seasurface temperatures (SSTs) (reviewed in Hughes et al. 2003, McWilliams et al. 2005, Donner et al. 2007, Carpenter et al. 2008; however, there are few reports detailing the effects of anomalously cold SST's (Shinn 1966, Porter et al. 1982, Hoegh-Guldberg et al. 2005.Abnormally warm and cold temperatures affect photosynthetic organisms by increasing photoinhibition, eventually leading to cellular damage (Lyons 1973, Krause 1992. Saxby et al. (2003) provided evidence that corals exposed to reduced temperatures (≤14°C) experience similar physiological symptoms as those exposed to elevated temperatures, which, depending on the duration of thermal exposure and light regime, can cause partial to total bleaching and mortality.Few studies have followed temporal variation in Symbiodinium-octocoral symbioses even though octocorals are among the most abundant cnidarians of Caribbean reef communities, with up to 40 species coex...

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Adaptive bleaching: a general phenomenon

Fautin

Buddemeier

Coelenterate Biology 2003

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Specificity of two temperate dinoflagellate?anthozoan associations from the north-western Pacific Ocean

Cited by 63 publications

References 39 publications

Two anthozoans,Entacmaea quadricolor(order Actiniaria) andAlveopora japonica(order Scleractinia), host consistent genotypes ofSymbiodiniumspp. across geographic ranges in the northwestern Pacific Ocean

Two anthozoans,Entacmaea quadricolor(order Actiniaria) andAlveopora japonica(order Scleractinia), host consistent genotypes ofSymbiodiniumspp. across geographic ranges in the northwestern Pacific Ocean

Stability of symbiotic dinoflagellate type in the octocoral Briareum asbestinum

Adaptive bleaching: a general phenomenon

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