Occurrence of chlorophyll allomers during virus‐induced mortality and population decline in the ubiquitous picoeukaryote        <i xmlns='http://www.wiley.com/namespaces/wiley'>Ostreococcus tauriOstreococcus tauri

Steele Deborah J.; Kimmance Susan A.; Franklin Daniel J.; Airs Ruth L.

摘要

Summary > During viral infection and growth limitation of the picoeukaryote Ostreococcus tauri , we examined the relationship between membrane permeability, oxidative stress and chlorophyll allomers (oxidation products). Chlorophyll allomers were measured in batch‐cultures of O. tauri in parallel with maximum quantum efficiency of photosystem II photochemistry ( F <sub>v</sub> /F <sub>m</sub> ), carotenoids, and reactive oxygen species and membrane permeability using fluorescent probes (CM‐H <sub>2</sub> DCFDA and SYTOX‐Green). Viral infection led to mass cell lysis of the O. tauri cells within 48 h. The concentration of the allomer hydroxychlorophyll a peaked with a 16‐fold increase (relative to chlorophyll‐ a ) just after the major lysis event. In contrast, cell death due to growth limitation resulted in a twofold increase in allomer production, relative to chl‐ a . Two allomers were detected solely in association with O. tauri debris after viral lysis, and unlike other allomers were not observed before viral lysis, or during cell death due to growth limitation. Conversely, the component chl‐ a <sub>P276</sub> was found in the highest concentrations relative to chl‐ a , in exponentially growing O. tauri . The components described have potential as indicators of mode of phytoplankton mortality, and of population growth. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span>None </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-22868/'>《Environmental microbiology》</a> <b style="margin: 0 2px;">|</b><span>2018年第2期</span><b style="margin: 0 2px;">|</b><span>共14页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Steele Deborah J.&option=202" target="_blank" rel="nofollow">Steele Deborah J.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Kimmance Susan A.&option=202" target="_blank" rel="nofollow">Kimmance Susan A.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Franklin Daniel J.&option=202" target="_blank" rel="nofollow">Franklin Daniel J.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Airs Ruth L.&option=202" target="_blank" rel="nofollow">Airs Ruth L.;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Plymouth Marine Laboratory Prospect PlacePlymouth UK;</p> <p>Plymouth Marine Laboratory Prospect PlacePlymouth UK;</p> <p>Faculty of Science and TechnologyBournemouth UniversityPoole UK;</p> <p>Plymouth Marine Laboratory Prospect PlacePlymouth UK;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/183.html" title="微生物学">微生物学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> </p> </li> </ul> </div> </div> <div class="literature cardcommon" id="literaturereference" style="display:none"> <div class="similarity "> <h3 class="all_title" id="enpatent111">引文网络</h3> <div class="referencetab clearfix"> <ul id="referencedaohang"> <li dataid="referenceul">参考文献</li> <li dataid="citationul">引证文献</li> <li dataid="commonreferenceul">共引文献</li> <li dataid="commoncitationul">同被引文献</li> <li dataid="tworeferenceul">二级参考文献</li> <li dataid="twocitationul">二级引证文献</li> </ul> </div> <div class="reference_details" id="referenceList"> <ul id="referenceul"></ul> <ul id="citationul"></ul> <ul id="commonreferenceul"></ul> <ul id="commoncitationul"></ul> <ul id="tworeferenceul"></ul> <ul id="twocitationul"></ul> </div> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704023229212.html">Occurrence of chlorophyll allomers during virus‐induced mortality and population decline in the ubiquitous picoeukaryote <i xmlns="http://www.wiley.com/namespaces/wiley">Ostreococcus tauriOstreococcus tauri</a> <b>[J]</b> . <span> <a 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Occurrence of chlorophyll allomers during virus‐induced mortality and population decline in the ubiquitous picoeukaryote Ostreococcus tauriOstreococcus tauri

摘要