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Context-dependent effects of symbiosis: Zoanthidea colonization generally improves Demospongiae condition in native habitats

机译:共生关系的背景依赖效应:美洲豹(Zoanthidea)定殖通常可以改善原生生境中的龟背龟状况

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摘要

In order to reconcile existing data and hypotheses on the relationship outcomes of Caribbean Zoanthidea-Demo-spongiae symbioses, the context-dependent survival and growth (metrics of host sponge condition) were monitored for 8-12 months, with and without Zoanthidean symbionts, in native (coral reef) and novel (mangrove) habitats. Experiments repeated over space and time revealed significant positive effects of Zoanthidea colonization on metrics of host condition and indicated that the outcome of these symbioses can shift from mutualism to parasitism when transplanted to novel habitats. Although the precise mechanisms of the symbioses remain obscured and most of the species associations have not been examined, these experiments demonstrate an example where relationship outcomes are more conserved across their evolutionary history than host associations.
机译:为了调和关于加勒比Zoanthidea-Demo-Spongiae共生体之间关系结果的现有数据和假设,在有和没有Zoanthidean共生体的情况下,监测了8-12个月的上下文相关生存和生长情况(宿主海绵状况的指标)。原生(珊瑚礁)和新颖(红树林)栖息地。在空间和时间上重复进行的实验表明,美洲带菌定植对寄主状况有明显的积极影响,并表明这些共生体的结果在移植到新的栖息地时可以从共生转变为寄生。尽管共生酶的精确机制仍然不清楚,并且大多数物种之间的关联尚未得到检验,但是这些实验证明了一个示例,其中关系结果在整个进化过程中比宿主关联更保守。

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  • 来源
    《Marine biology》 |2012年第7期|1429-1438|共10页
  • 作者

    Timothy D. Swain;

  • 作者单位

    Department of Biological Science, Florida State University, Tallahassee, FL 32306-4295, USA Department of Civil and Environmental Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA Biodiversity Synthesis Center, Field Museum of Natural History, 1400 South Lake Shore Drive, Chicago, IL 60605, USA;

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