Seasonal fluctuations in chemical defenses against macrofouling in Fucus vesiculosus and Fucus serratus from the Baltic Sea

Seasonal fluctuations in chemical defenses against macrofouling in Fucus vesiculosus and Fucus serratus from the Baltic Sea
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波罗的海墨角藻和锯齿墨角藻针对宏观污垢的化学防御能力的季节性波动

DOI:
10.1080/08927014.2015.1041020
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发表时间:
2015
期刊:
影响因子:
2.7
通讯作者:
Pohnert
Pohnert
中科院分区:
生物学3区
文献类型:
--
作者:
Rickert;Karsten;Pohnert

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大型藻类,特别是多年生物种,暴露在随季节变化的污损压力下。这是假设,大型藻类调节其防污压力的污垢压力。对褐藻、褐藻和锯齿藻的宏观污染压力和化学抗宏观污染防御能力进行了为期一年的月度评估。在一种新的情景生物测试中,通过在接近自然浓度的情况下测试表面提取的岩藻代谢物来评估抗大污垢防御。此外,还测定了这两种水葫芦的甘露醇含量,以评估国防生产的资源可用性。这两种藻类的表面化学物质对即兴两栖鱼和紫贻贝的引诱能力表现出季节性的变化。在这种变化中,50%-60%是用正弦模型解释的。只有F。来自春夏两季的水泡提取物能显著抑制FA的沉着。即兴表演。大型藻类防污能力的强弱,既不与最大污染压力相关,也不与测量的甘露醇含量相关,然而,甘露醇从未耗尽。
Macroalgae, especially perennial species, are exposed to a seasonally variable fouling pressure. It was hypothesized that macroalgae regulate their antifouling defense to fouling pressure. Over one year, the macrofouling pressure and the chemical anti-macrofouling defense strength of the brown algaeFucus vesiculosusandFucus serratuswere assessed with monthly evaluation. The anti-macrofouling defense was assessed by means of surface-extractedFucusmetabolites tested at near-natural concentrations in a novelin situbioassay. Additionally, the mannitol content of bothFucusspecies was determined to assess resource availability for defense production. The surface chemistry of bothFucusspecies exhibited seasonal variability in attractiveness toAmphibalanus improvisusandMytilus edulis. Of this variability, 50–60% is explained by a sinusoidal model. OnlyF. vesiculosusextracts originating from the spring and summer significantly deterred settlement ofA. improvisus. The strength of macroalgal antifouling defense did not correlate either within situmacrofouling pressure or with measured mannitol content, which, however, were never depleted.
白海(俄罗斯)不同基质和微生境对蓝贻贝幼苗(Mytilus edulis)的补充偏好
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