Rapid behavioural gregarization in the desert locust, Schistocerca gregaria entails synchronous changes in both activity and attraction to conspecifics.
Rapid behavioural gregarization in the desert locust, Schistocerca gregaria entails synchronous changes in both activity and attraction to conspecifics.
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DOI：
10.1016/j.jinsphys.2014.04.004
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发表时间：
2014-06
影响因子：
2.2
通讯作者：
Simpson, Stephen J.
中科院分区：
文献类型：
--
作者：
Rogers, Stephen M.;Cullen, Darron A.;Anstey, Michael L.;Burrows, Malcolm;Despland, Emma;Dodgson, Tim;Matheson, Tom;Ott, Swidbert R.;Stettin, Katja;Sword, Gregory A.;Simpson, Stephen J.
关键词：
沙漠蝗虫可以在独居和群居阶段之间转换。同种刺激在4小时内引起快速的行为集群化。全球化需要几个离散行为的同步变化。总体活动和对其他蝗虫的吸引力以同样的速度变化。5-羟色胺引起吸引力和运动的变化。沙漠蝗虫可以在群居和独居阶段之间可逆地变化，这在行为、形态和生理上有很大的不同。这两个阶段显示出许多行为差异，包括整体活动水平和它们被同种吸引或排斥的程度。孤独的蝗虫很少进行运动，其特征是缓慢的行走速度，不经常梳理，并积极避免其他蝗虫。群居蝗虫是高度活跃的快速行走的步伐，新郎频繁，并吸引同种形成有凝聚力的迁移带作为蝗虫和/或飞行群作为成年人。促使集群化发生的唯一因素是同种物种的存在。在以前的几项研究中，这种转变的机制，我们使用了一个总的措施的行为阶段状态，Pgreg，来自逻辑回归分析，结合和权重的几个行为变量，以避免孤独和合群的行为。使用这种方法，我们分析了行为变化的时间过程，刺激，诱导gregarization和5-羟色胺在介导的转变的关键作用。在最近的批评，建议使用Pgreg可能会混淆一般活动的变化与真正的聚集，我们已经进行了荟萃分析，检查我们用来生成Pgreg的个人行为的变化的时间过程。我们发现，强迫拥挤的独居蝗虫，触觉刺激的后股骨，和短期应用的5-羟色胺诱导协调一致的变化，不仅运动相关的变量，但也梳理频率和吸引力，以其他蝗虫对那些长期群居蝗虫的特点。这种广泛的荟萃分析支持并扩展了我们以前的结论，即孤独的蝗虫在接受适当的刺激几个小时后会发生快速的行为群居，这是由血清素介导的，在结束时，它们的行为与一生都处于群居阶段的蝗虫基本上没有区别。
Desert Locusts can transform between solitarious and gregarious phases. Stimuli from conspecifics cause rapid behavioural gregarization in just 4 h. Gregarization entails synchronous changes in several discrete behaviours. Overall activity and attraction to other locusts change at the same rate. Serotonin causes changes in both attraction and locomotion. Desert Locusts can change reversibly between solitarious and gregarious phases, which differ considerably in behaviour, morphology and physiology. The two phases show many behavioural differences including both overall levels of activity and the degree to which they are attracted or repulsed by conspecifics. Solitarious locusts perform infrequent bouts of locomotion characterised by a slow walking pace, groom infrequently and actively avoid other locusts. Gregarious locusts are highly active with a rapid walking pace, groom frequently and are attracted to conspecifics forming cohesive migratory bands as nymphs and/or flying swarms as adults. The sole factor driving the onset of gregarization is the presence of conspecifics. In several previous studies concerned with the mechanism underlying this transformation we have used an aggregate measure of behavioural phase state, Pgreg, derived from logistic regression analysis, which combines and weights several behavioural variables to characterise solitarious and gregarious behaviour. Using this approach we have analysed the time course of behavioural change, the stimuli that induce gregarization and the key role of serotonin in mediating the transformation. Following a recent critique that suggested that using Pgreg may confound changes in general activity with genuine gregarization we have performed a meta-analysis examining the time course of change in the individual behaviours that we use to generate Pgreg. We show that the forced crowding of solitarious locusts, tactile stimulation of the hind femora, and the short-term application of serotonin each induce concerted changes in not only locomotion-related variables but also grooming frequency and attraction to other locusts towards those characteristic of long-term gregarious locusts. This extensive meta-analysis supports and extends our previous conclusions that solitarious locusts undergo a rapid behavioural gregarization upon receiving appropriate stimulation for a few hours that is mediated by serotonin, at the end of which their behaviour is largely indistinguishable from locusts that have been in the gregarious phase their entire lives.
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DOI：
10.1098/rspb.1994.0099
发表时间：
1994-07-22
影响因子：
4.7
作者：
ISLAM, MS;ROESSINGH, P;MCCAFFERY, AR
通讯作者：
MCCAFFERY, AR
影响因子：
2.2
作者：
Cullen, Darron A.;Sword, Gregory A.;Simpson, Stephen J.
通讯作者：
Simpson, Stephen J.
影响因子：
0.8
作者：
Carbonell, Carlos S.
通讯作者：
Carbonell, Carlos S.
DOI：
10.1016/0003-3472(59)90037-5
发表时间：
1959-01-01
期刊：
Animal Behaviour London
影响因子：
--
作者：
Ellis, P. E.
通讯作者：
Ellis, P. E.
DOI：
10.1073/pnas.0407753101
发表时间：
2004-12-21
影响因子：
11.1
作者：
Kang, L;Chen, XY;Yu, J
通讯作者：
Yu, J