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><Abstract XMLNS =“http://www.wiley.com/namespaces/wiley”type =“main”xml：lang =“en”> <标题类型=“main”>摘要</ title> >在病毒期间Picoeukaryothte的感染和生长限制葵核糖菌，我们检查了膜渗透性，氧化应激和叶绿素中（氧化产物）之间的关系。在 O的间歇培养物中测量叶绿素烷烃。 TAURI </ i>与光化学的最大量子效率平行，光化学（ f <sub> v </ sub> / f <sub> m </ sub> </ i>），类胡萝卜素和反应性氧物种使用荧光探针（CM-H <sub> 2 </ sub> DCFDA和Sytox-Green）和膜渗透性。病毒感染导致了 o的质量细胞裂解。 Tauri </ i> 48小时内的细胞。在主要裂解事件之后，阿克里羟基氯基丙烯基的浓度达到16倍（相对于叶绿素 - ）峰值。相反，由于生长限制导致的细胞死亡导致反双聚酯产生增加，相对于CHL- A-/ i>。仅与 o相关联检测两种异构体。在病毒裂解后的Tauri </ i>碎片，与在病毒裂解前未观察到的其他因换器，或由于生长限制，在细胞死亡期间未观察到。相反，在相对于CHL-<I> A-/ I>中，在最高浓度下发现组分CHL- <sub> p276 </ sub>以指数生长的 o。 Tauri </ i>。所描述的组分具有浮游植物的模拟和人口生长的潜力。 </ p> </ abstract> </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"> <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 href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Steele Deborah 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Occurrence of chlorophyll allomers during virus‐induced mortality and population decline in the ubiquitous picoeukaryote Ostreococcus tauriOstreococcus tauri

摘要