检索结果-南通市图书馆

Studying the ＂fly factor＂ phenomenon and its underlying mechanisms in house flies Musca domestica

Insect Science 2018年第1期25卷 137-147页

作者： Matthew V. Holl gerhard gries Department of Biological Sciences Simon Fraser University Bumaby British Columbia V5A 1S6 Canada

The ＂fly factor＂ was first discovered 〉60 years ago and describes the phe- nomenon that food currently or previously fed on by flies attracts more foraging flies than the same type and amount of food kept inaccessible to flies. Since then, there has been little progress made to understanding this phenomenon. Our objectives were （i） to demonstrate the existence of the fly factor in house flies, Musca domestica and （ii） to study underlying mechanisms that may cause or contribute to the fly factor. In 2-choice laboratory bioassays, we obtained unambiguous evidence for a fly factor phenomenon in house flies, in that we demonstrated that feeding flies are more attractive to foraging flies than are nonfeeding flies, and that fed-on food is more attractive to foraging flies than is ＂clean＂ food. Of the potential mechanisms （fly excreta, metabolic output parameters [elevated temperature, relative humidity, carbon dioxide]）, causing the fly factor, fly feces, and regurgitate do at- tract foraging flies but none of the metabolic output parameters of feeding flies does. Even though feeding flies produce significantly more CO2 than nonfeeding flies, elevated levels of CO2 have no behavior-modifying effect on flies. Preferential attraction of house flies to fly feces and regurgitate indicates that the flies sense airborne semiochemicals emana- ting from these sources. Hypothesizing that these semiochemicals are microbe-produced, future studies will aim at isolating and mass producing these microbes to accumulate semiochemicals for identification.

关键词： fly factor foraging metabolic output microbes Musca domestica semio-chemical attractants

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

The fly factor phenomenon is mediated by interkingdom signaling between bacterial symbionts and their blow fly hosts

引用

Insect Science 2020年第2期27卷 256-265页

作者： Yonathan Uriel Regine gries Loma Tu Cassandra Carroll Huimin Zhai Margo Moore gerhard gries Department of Biological Sciences Simon Fraser UniversityBurnabyBritish ColumbiaCanada

We tested the recent hypothesis that the"fly factor"phenomenon(food cur-rently or previously fed on by flies attracts more flies than the same type of food kept inccessible to flies)is mediated by bacterial symbionts deposited with feees or regur-gitated by feeding *** allowed laboratory-reared black blow flies,Phormia regina(Meigen),to feed and de fecate on bacterial Luria-Bertani medium solidified with agar,and isolated seven morphologically distinct bacterial *** identified these us-ing matrix-assisted laser desorption/ionization mass spectrometry and sequencing of the 165 rRNA *** two-choice laboratory experiments,traps baited with cultures of Pro-teus mirabilis Hauser,Morganella morganii *** Jensen,or Serratia marcescens Bizio,captured significantly more flies than corresponding control jars baited with tryptic soy agar only.A mixture of seven bacterial strains as a trap bait was more attractive to flies than a single bacterial isolate(***).In a field experiment,traps baited with agar cultures of P:mirabilis and M.m siboni in combination captured significantly more flies than lraps baited with either bacterial isolate alone or the agar *** evident by gas chromatography-mass spectrometry,the odor profiles of bacterial isolates differ,which may explain the additive effect of bacteria to the attractiveness of bacterial trap ***"generalist bacteria,"P mirabilis and *** growing on animal protein(beef liver)or plant protein(tofu)are similarly effective in attracting ***-derived airborne semiochemicals appear to mediate foraging by flies and to inform their feeding and oviposition decisions.

关键词： blow fies enteric bacteria fly foctor interk ingdom commumicaion micro-bial symbionts semioche mical atractants

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Is aggregated oviposition by the blow flies Lucilia sericata and Phormia regina （Diptera： Calliphoridae） really pheromone-mediated？

引用

Insect Science 2015年第5期22卷 651-660页

作者： Bekka S. Brodie Warren H. L. Wong Sherah VanLaerhoven gerhard gries Simon Fraser University Dept. of Biological Sciences Burnaby BC V5A 1S6 Canada and University of Windsor Windsor ON N9B3P4 Canada

When female blow flies Lucilia sericata and Phormia regina （Diptera： Cal- liphoridae） oviposit in aggregations on carrion, even-aged larval offspring reportedly de- velop faster, and fewer are parasitized or preyed upon. The benefits of aggregated ovipo- sition equally affect con- and heterospecific larvae sharing a resource. The benefits imply that female blow flies engage in coordinated, pheromone-mediated oviposition behavior. Yet, repeated attempts to identify oviposition pheromones have failed invoking doubt that they exist. Simply by regurgitating and feeding on carrion, flies may produce attractive semiochemicals. If flies were to aggregate in response to feeding flies rather than oviposit- ing flies, then the semiochemical cue（s） may be associated with the salivary gland. Working with L. sericata and P.. regina and using liver as a surrogate oviposition medium, we test the hypotheses, and present data in their support, that （i） gravid or nongravid females ovipositing and/or feeding on liver enhance its attractiveness to gravid and nongravid fe- males; （ii） females respond to semiochemicals from feeding heterospecific females; （iii） females respond equally well to semiochemicals from feeding con- and heterospecific females; （iv） macerated head tissues of females applied to liver enhance its attractiveness; and （v） females in direct contact with and feeding on liver, but not when next to yet physically separated from liver, enhance attraction of flies. We conclude that oviposition site-seeking females do not respond to an oviposition pheromone. Instead, they appear to coopt semiochemicals associated with feeding flies as resource indicators, taking chances that resources are suitable for oviposition, and that ovipositing flies are present.

关键词： blow flies carrion egg-laying site pheromone saliva semiochemical

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Monitoring for Thysanoplusia orichalcea in New Zealand

Monitoring for Thysanoplusia orichalcea in New Zealand

引用

5th International Workshop on Management of the Diamondback Moth and Other Crucifer Insect Pests

作者： Graham P.Walker John R.Clearwater Sintia Winkler Frances H.MacDonald Andrew R.Wallace gerhard gries New Zealand Institute for Crop & Food Research Private Bag 92169AucklandNew Zealand Clearwater Research & Consulting 63 Peter Buck RdAucklandNew Zealand New Zealand Institute for Crop & Food Research Private Bag 4704ChristchurchNew Zealand Simon Fraser University

Thysanoplusia orichalcea Fabricius,commonly known as soybean looper(SBL) is an important pest of vegetable brassica and other leafy crops in the north of New Zealand,and is often the major lepidopteran pest in summer ... 详细信息

关键词： Monitoring for Thysanoplusia orichalcea in New Zealand SBL

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：