Studies on the tolerating mechanism for sulfide inUrechis unicinctus (Echiura: Urechidae) —Cytological observation onUrechis unicinctus in different hydrogen sulfide environment

Zhang Zhifeng; Shao Mingyu; Kang Kyong-Ho; Jin Zai-Min

doi:10.1007/BF02842765

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Studies on the tolerating mechanism for sulfide inUrechis unicinctus (Echiura: Urechidae) —Cytological observation onUrechis unicinctus in different hydrogen sulfide environment

Updated：2023-05-16

- Studies on the tolerating mechanism for sulfide inUrechis unicinctus (Echiura: Urechidae) —Cytological observation onUrechis unicinctus in different hydrogen sulfide environment
- Journal of Oceanology and Limnology Vol. 21, Issue 1, Pages: 86-90(2003)
- Affiliations：
  
  1. College of Marine Life Sciences Ocean University of Qingdao
  2. Division of Aqua Life Science YOSU National University
- Author bio：
- Funds：
- DOI：10.1007/BF02842765
  CLC：
- Published：2003
- Accepted：
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Zhifeng, Z., Mingyu, S., Kyong-Ho, K. et al. Studies on the tolerating mechanism for sulfide inUrechis unicinctus (Echiura: Urechidae) —Cytological observation onUrechis unicinctus in different hydrogen sulfide environment., Chin. J. Ocean. Limnol. 21, 86–90 (2003). https://doi.org/10.1007/BF02842765
DOI：

Zhifeng, Z., Mingyu, S., Kyong-Ho, K. et al. Studies on the tolerating mechanism for sulfide inUrechis unicinctus (Echiura: Urechidae) —Cytological observation onUrechis unicinctus in different hydrogen sulfide environment., Chin. J. Ocean. Limnol. 21, 86–90 (2003). https://doi.org/10.1007/BF02842765 DOI：

摘要

Abstract

This study on the cytological changes of the body wall

aspiratory intestine and crissal bursa inUrechis unicinctus by light microscope (LM) and transmission electron microscope (TEM) showed that the difference between the body wall and the natural environment rich in H2S was not obvious; that the wall color of the aspiratory intestine in H2S rich environment changed from normal semitransparency to dark brown; that its epithelia were disassembled and the electron density of its cytoplasm matrix was lower; and that in H2S rich environment many basophilic granules occurred in the epithelia of the crissal bursa. Granules with single membrane and myelinefingure were found with TEM.

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references

Arp, A. J., Hansen, B. M., Julian, D., 1992. Burrow environment and coelomic fluid characteristics of the echiuran worm Urechis caupo from populations at three sites in northern California.Mar. Biol. 113: 613–623.

Li, F. L., Wang, W., Zhou, H., 1994. Study on the Echurans (Echiura) of the Yellow Sea (Huanghai) and Bohai Sea.J. Ocean Univ. Qingda. 24(2): 203–210. (in Chinese)

Li, N., 1998. Life history ofUrechis unicinctus.Chinese Biol. Bull. 33(8): 12–14.

Menon, J. G., Arp, A. J., 1993. The Integument of the Marine Echiuran Worm Urechis caupo.Biol. Bull. 185: 440–454.

Powell, M. A., Arp, A. J., 1989. Hydrogen Sulfide Oxidation by Abundant Nonhemoglobin Heme Compounds in Marine invertebrates from sulfide-rich habitats.J. Exp. Zool. 249: 121–132.

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