Genetic mechanisms of bone digestion and nutrient absorption in the bone-eating worm Osedax japonicus inferred from transcriptome and gene expression analyses
详细信息 查看全文
- 作者：Norio Miyamoto ; Masa-aki Yoshida ; Hiroyuki Koga…
- 关键词：Matrix metalloproteinase ; Bone digestion ; Solute carrier family transporter ; Nutrient uptake
- 刊名：BMC Evolutionary Biology
- 出版年：2017
- 出版时间：December 2017
- 年：2017
- 卷：17
- 期：1
- 全文大小：2456KB
- 刊物主题：Evolutionary Biology; Animal Systematics/Taxonomy/ Biogeography; Entomology; Genetics and Population Dynamics; Life Sciences, general;
- 出版者：BioMed Central
- ISSN：1471-2148
- 卷排序：17
文摘
BackgroundBone-eating worms of the genus Osedax (Annelida, Siboglinidae) have adapted to whale fall environments by acquiring a novel characteristic called the root, which branches and penetrates into sunken bones. The worms lack a digestive tract and mouth opening, and it has been suggested that Osedax degrade vertebrate bones and uptake nutrients through acidification and secretion of enzymes from the root. Symbiotic bacteria in the root tissue may have a crucial role in the metabolism of Osedax. However, the molecular mechanisms and cells responsible for bone digestion and nutrient uptake are still unclear, and information on the metabolic interaction between Osedax and symbiotic bacteria is limited.