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      The first fossil brown lacewing from the Miocene of the Tibetan Plateau (Neuroptera, Hemerobiidae)

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          Abstract

          Abstract

          A new species of Hemerobiidae , Wesmaelius makarkini Yang, Pang & Ren, sp. n. is described from the Lower Miocene, Garang Formation of Zeku County, Qinghai Province (northeastern Tibetan Plateau), China. The species is assigned to the widely distributed extant genus Wesmaelius Krüger ( Hemerobiinae ). The species represents the first named fossil of this family from China, which sheds light on the historical distribution of Wesmaelius and early divergences within Hemerobiinae .

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          On wings of lace: phylogeny and Bayesian divergence time estimates of Neuropterida (Insecta) based on morphological and molecular data

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            cis-regulatory requirements for tissue-specific programs of the circadian clock.

            Broadly expressed transcriptions factors (TFs) control tissue-specific programs of gene expression through interactions with local TF networks. A prime example is the circadian clock: although the conserved TFs CLOCK (CLK) and CYCLE (CYC) control a transcriptional circuit throughout animal bodies, rhythms in behavior and physiology are generated tissue specifically. Yet, how CLK and CYC determine tissue-specific clock programs has remained unclear. Here, we use a functional genomics approach to determine the cis-regulatory requirements for clock specificity. We first determine CLK and CYC genome-wide binding targets in heads and bodies by ChIP-seq and show that they have distinct DNA targets in the two tissue contexts. Computational dissection of CLK/CYC context-specific binding sites reveals sequence motifs for putative partner factors, which are predictive for individual binding sites. Among them, we show that the opa and GATA motifs, differentially enriched in head and body binding sites respectively, can be bound by OPA and SERPENT (SRP). They act synergistically with CLK/CYC in the Drosophila feedback loop, suggesting that they help to determine their direct targets and therefore orchestrate tissue-specific clock outputs. In addition, using in vivo transgenic assays, we validate that GATA motifs are required for proper tissue-specific gene expression in the adult fat body, midgut, and Malpighian tubules, revealing a cis-regulatory signature for enhancers of the peripheral circadian clock. Our results reveal how universal clock circuits can regulate tissue-specific rhythms and, more generally, provide insights into the mechanism by which universal TFs can be modulated to drive tissue-specific programs of gene expression. Copyright © 2014 Elsevier Ltd. All rights reserved.
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              Evolution of lacewings and allied orders using anchored phylogenomics (Neuroptera, Megaloptera, Raphidioptera)

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                Author and article information

                Journal
                Zookeys
                Zookeys
                ZooKeys
                ZooKeys
                Pensoft Publishers
                1313-2989
                1313-2970
                2018
                10 January 2018
                : 726
                : 145-154
                Affiliations
                [1 ] State Key Laboratory of Biocontrol, Key Laboratory of Biodiversity Dynamics and Conservation of Guangdong Higher Education Institute, Ecology and Evolution, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China
                [2 ] College of Life Sciences, Capital Normal University, Xisanhuanbeilu 105, Haidian District, Beijing 100048, PR China
                [3 ] Geoscience Museum, Hebei GEO University, 136 Huaiandonglu, Shijiazhuang, 050031, PR China
                [4 ] School of Earth Science and Engineering, Sun Yat-sen University, Guangzhou 510275, PR China
                [5 ] College of Earth Sciences and Resources & Key Laboratory of Western Mineral Resources and Geological Engineering of the Ministry of Education, Chang’an University, Xi’an 710054, PR China
                Author notes
                Corresponding author: Hong Pang ( lsshpang@ 123456mail.sysu.edu.cn ); Dong Ren ( rendong@ 123456mail.cnu.edu.cn )

                Academic editor: S. Winterton

                Article
                10.3897/zookeys.726.21086
                5806409
                9960e5c4-7c3c-4602-a03c-1efa2ae0acc5
                Qiang Yang, Chaofan Shi, Xiangchuan Li, Hong Pang, Dong Ren

                This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                History
                : 19 September 2017
                : 28 November 2017
                Categories
                Research Article

                Animal science & Zoology
                cenozoic,china, wesmaelius ,animalia,neuroptera,hemerobiidae
                Animal science & Zoology
                cenozoic, china, wesmaelius , animalia, neuroptera, hemerobiidae

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