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DOI:	10.1371/journal.pone.0140553
论文题名:	Quantifying Preferences and Responsiveness of Marine Zooplankton to Changing Environmental Conditions using Microfluidics
作者:	Nirupama Ramanathan; Oleg Simakov; Christoph A. Merten; Detlev Arendt
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2015
发表日期:	2015-10-30
卷:	10, 期:10
语种:	英语
英文关键词:	Microfluidics ; Plankton ; Marine ecology ; Larvae ; Salinity ; Laminar flow ; Sea water ; Zooplankton
英文摘要:	Global environmental change significantly affects marine species composition. However, analyzing the impact of these changes on marine zooplankton communities was so far mostly limited to assessing lethal doses through mortality assays and hence did not allow a direct assessment of the preferred conditions, or preferendum. Here, we use a microfluidic device to characterize individual behavior of actively swimming zooplankton, and to quantitatively determine their ecological preferendum. For the annelid zooplankton model Platynereis dumerilii we observe a broader pH preferendum than for the copepod Euterpina acutifrons, and reveal previously unrecognized sub-populations with different pH preferenda. For Platynereis, the minimum concentration difference required to elicit a response (responsiveness) is ~1 μM for H+ and ~13.7 mM for NaCl. Furthermore, using laser ablations we show that olfactomedin-expressing sensory cells mediate chemical responsiveness in the Platynereis foregut. Taken together, our microfluidic approach allows precise assessment and functional understanding of environmental perception on planktonic behaviour.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0140553&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/21779
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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journal.pone.0140553.PDF（2884KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

European Molecular Biology Laboratory, Heidelberg, Germany;European Molecular Biology Laboratory, Heidelberg, Germany;Okinawa Institute of Science and Technology, Okinawa, Japan;European Molecular Biology Laboratory, Heidelberg, Germany;European Molecular Biology Laboratory, Heidelberg, Germany

Recommended Citation:

Nirupama Ramanathan,Oleg Simakov,Christoph A. Merten,et al. Quantifying Preferences and Responsiveness of Marine Zooplankton to Changing Environmental Conditions using Microfluidics[J]. PLOS ONE,2015-01-01,10(10)

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