نتایج جستجو برای: palythoa aff mutuki و palythoa tuberculosa

تعداد نتایج: 763572  

2000
Hugh W. Ducklow Rulph Mitchell

The external mucus layers of the stony coral Porites astreoides and the soft corals Palythoa sp. and Heteroxeniu fuscesens are inhabited by communities of marinc heterotrophic bacteria. Population levels of bacteria in coral mucus may be regulated by the self-cleaning behavior of the host. Bacterial populations in coral mucus respond to stresses applied to the host coral by growing to higher po...

2016
Wei-Feng Xu Xue-Mei Hou Kai-Lin Yang Fei Cao Rui-Yun Yang Chang-Yun Wang Chang-Lun Shao

One new hydroanthraquinone dimer with a rare C-9-C-7' linkage, nigrodiquinone A (1), and four known anthraquinone monomers 2-5, were isolated from a fungus Nigrospora sp. obtained from the zoanthid Palythoa haddoni collected in the South China Sea. The structure of 1 was established through extensive NMR spectroscopy, and the absolute configuration was elucidated by comparing computed electroni...

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