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肾上腺素刺激下的磷虾发光器的氧气消耗和发光

Oxygen consumption and luminescence of Maurolicus photophores stimulated by adrenalin.

作者信息

Mallefet J, Baguet F

机构信息

Laboratoire de Physiologie générale et des Animaux domestiques, Louvain-la-Neuve, Belgium.

出版信息

Comp Biochem Physiol C Comp Pharmacol Toxicol. 1987;87(2):233-6. doi: 10.1016/0742-8413(87)90002-8.

DOI:10.1016/0742-8413(87)90002-8
PMID:2888563
Abstract
  1. Abdominal photophores isolated from Maurolicus muelleri freshly collected in the Strait of Messina show a stable oxygen consumption rate of 149.8 +/- 10.1 nmoles g-1 min-1 (N = 31). 2. In the presence of adrenalin (5 X 10(-4) mol/l), the photophores that did not luminesce showed a 78% decrease of the resting oxygen uptake. When the photophores did luminesce, the oxygen consumption never increased above the resting level, instead, it decreased at a different rate according to the amount of light emitted. 3. Photophores pretreated with MnCl2 (40 mM) and stimulated with adrenalin (5 X 10(-4) mol/l), showed a rapid and large emission of light associated with a significant increase of the oxygen consumption above the resting level. 4. The results are discussed with reference to the control mechanism of luminescence in mesopelagic and epipelagic fish.
摘要
  1. 从墨西拿海峡刚采集的穆氏犀鳕分离出的腹部发光器,显示出稳定的耗氧率为149.8±10.1纳摩尔克⁻¹分钟⁻¹(N = 31)。2. 在肾上腺素(5×10⁻⁴摩尔/升)存在的情况下,不发光的发光器静息耗氧量降低了78%。当发光器发光时,耗氧量从未增加到静息水平以上,相反,它会根据发光量以不同速率降低。3. 用氯化锰(40毫摩尔)预处理并经肾上腺素(5×10⁻⁴摩尔/升)刺激的发光器,显示出快速且大量的发光,同时耗氧量显著增加至高于静息水平。4. 结合中层和表层鱼类发光的控制机制对结果进行了讨论。

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