지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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In this study, we investigated the changes in the physiological and histological traits ofa sea squirt (Halocynthia roretzi) with the emergence of the soft tunic syndrome induced by thewater temperature control (6, 9, 12, 15, 18, 21, 24 and 27°C). It was observed that the inductionrate of the soft tunic syndrome was highest at 15°C, but lowest at 24°C. Based on the tunic colorcondition and contraction strength, the whole process were classified into 4 stages as S0, S1, S2and S3. Interestingly, there were significant differences in oxygen consumption and filtration ratewere observed during S0-S3. The most distinctive aspects were change of blood cell compositionat stage S3, whereas multi-vacuole cell ratio was decreased by 1/2 and morula cell ratio expandedabout 10 times during S0-S3. Further, change of organ structure started following the syndromesuch as degeneration of epithelial cells, microfilaments, increment in hemocytes and damage inmuscle fiber have been detected in tunic, siphon, branchial sac, body wall musculature andpyloric gland. Briefly, our study results indicated that the normal physiological functions of thesea squirt can be affected due to the soft tunic syndrome induced by water temperature.
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참고문헌 (25)
참고문헌 신청
Armsworthy SL / 2001 / Feeding activity, absorption efficiency and suspension feeding processes in the ascidian, Halocynthia pyriformis (Stolidobranchiata:Ascidiacea): respon
Ballarin L / 2001 / Morula cells as the major immunomodulatory hemocytes in ascidians: Evidences from the colonial species Botryllus schlosseri / Biol. Bull 201 : 59 ~ 64
Bayne BL / 1983 / the Mollusca / Academic Press : 407 ~ 515
Burighel P / 1997 / microscopic anatomy of invertebrates, Vol. 15, Hemichordata, Chaetognatha, and the invertebrate chordates / Wiley-Liss : 221 ~ 647
Cima F / 2001 / Morpho-functional characterization of haemocyes of the compound ascidian Botrylloides leachi (Tunicata, Ascidiacea) / Acta. Zool 82 : 261 ~ 274
Ballarin L / 2001 / Morula cells as the major immunomodulatory hemocytes in ascidians: Evidences from the colonial species Botryllus schlosseri / Biol. Bull 201 : 59 ~ 64
Bayne BL / 1983 / the Mollusca / Academic Press : 407 ~ 515
Burighel P / 1997 / microscopic anatomy of invertebrates, Vol. 15, Hemichordata, Chaetognatha, and the invertebrate chordates / Wiley-Liss : 221 ~ 647
Cima F / 2001 / Morpho-functional characterization of haemocyes of the compound ascidian Botrylloides leachi (Tunicata, Ascidiacea) / Acta. Zool 82 : 261 ~ 274
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