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https://www.readbyqxmd.com/read/28769719/the-subgenus-monotarsobius-in-the-iberian-peninsula-with-a-description-of-a-new-pseudo-cryptic-species-from-northern-spain-revealed-by-an-integrative-revision-of-lithobius-crassipes-l-koch-1862-chilopoda-lithobiomorpha-lithobiidae
#1
Karin Voigtländer, Etienne Iorio, Peter Decker, Jörg Spelda
The widespread European centipede species Lithobius (Monotarsobius) crassipes L. Koch, 1862 was revised using an integrative approach incorporating sequence data and morphology. The partial mitochondrial cytochrome c oxidase subunit I (COI) barcoding gene was amplified and sequenced for 21 individuals from northern Spain, France and Germany as well as for individuals of three other species of the subgenus Monotarsobius Verhoeff, 1905. The dataset was used for molecular phylogenetic analysis and genetic distance determination...
2017: ZooKeys
https://www.readbyqxmd.com/read/28764892/expression-and-function-of-spineless-orthologs-correlate-with-distal-deutocerebral-appendage-morphology-across-arthropoda
#2
Emily V W Setton, Logan E March, Erik D Nolan, Tamsin E Jones, Holly Cho, Ward C Wheeler, Cassandra G Extavour, Prashant P Sharma
The deutocerebral (second) head segment is putatively homologous across Arthropoda, in spite of remarkable disparity of form and function of deutocerebral appendages. In Mandibulata this segment bears a pair of sensory antennae, whereas in Chelicerata the same segment bears a pair of feeding appendages called chelicerae. Part of the evidence for the homology of deutocerebral appendages is the conserved function of homothorax (hth), which has been shown to specify antennal or cheliceral fate in the absence of Hox signaling, in both mandibulate and chelicerate exemplars...
July 29, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28763453/trophic-niches-diversity-and-community-composition-of-invertebrate-top-predators-chilopoda-as-affected-by-conversion-of-tropical-lowland-rainforest-in-sumatra-indonesia
#3
Bernhard Klarner, Helge Winkelmann, Valentyna Krashevska, Mark Maraun, Rahayu Widyastuti, Stefan Scheu
Conversion of tropical rainforests into plantations fundamentally alters ecological niches of animal species. Generalist predators such as centipedes (Chilopoda) may be able to persist in converted ecosystems due to their ability to adapt and switch to alternative prey populations. We investigated variations in community composition and trophic niches of soil and litter living centipedes in a range of ecosystems including rainforests, jungle rubber agroforests, and rubber and oil palm monocultures in two landscapes in Sumatra, Indonesia...
2017: PloS One
https://www.readbyqxmd.com/read/28690866/serotonergic-neurons-in-the-ventral-nerve-cord-of-chilopoda-a-mandibulate-pattern-of-individually-identifiable-neurons
#4
Andy Sombke, Torben Stemme
BACKGROUND: Given the numerous hypotheses concerning arthropod phylogeny, independent data are needed to supplement knowledge based on traditional external morphology and modern molecular sequence information. One promising approach involves comparisons of the structure and development of the nervous system. Along these lines, the morphology of serotonin-immunoreactive neurons in the ventral nerve cord has been investigated in numerous tetraconate taxa (Crustacea and Hexapoda). It has been shown that these neurons can be identified individually due to their comparably low number, characteristic soma position, and neurite morphology, thus making it possible to establish homologies at the single cell level...
2017: Zoological Letters
https://www.readbyqxmd.com/read/28609923/revision-of-i-disphaerobius-i-attems-1926-chilopoda-lithobiomorpha-lithobiidae-pterygoterginae-a-centipede-genus-with-remarkable-sexual-dimorphism
#5
Gyulli Sh Farzalieva, Pavel S Nefediev, Ivan H Tuf
Disphaerobius Attems, 1926, the sole constituent genus of the subfamily Pterygoterginae, is synonymized with Pterygotergum Verhoeff, 1934 syn. nov., and is shown to comprise only two species: D. svenhedini (Verhoeff, 1934) comb. nov. ex Pterygotergum, and D. loricatus (Sseliwanoff, 1881) (= Lithobius magnificus Trotzina, 1895), both syn. nov. and comb. nov. ex Lithobius Leach, 1814. Disphaerobius is rediagnosed, both of its basically Central Asian species are redescribed from fresh material of both sexes, and their distributions are mapped...
April 27, 2017: Zootaxa
https://www.readbyqxmd.com/read/28609857/new-records-of-millipedes-and-centipedes-from-bulgaria-with-an-annotated-checklist-of-the-bulgarian-myriapods
#6
Darina Bachvarova, Boyan Vagalinski, Aleksandar Doichinov, Pavel Stoev
The present paper records new and poorly known myriapods (Diplopoda, Chilopoda) collected in Bulgaria in the last 10 years. Four new species are reported as new to the Bulgarian fauna: Lithobius melanops Newport, 1845 (Chilopoda: Lithobiomorpha: Lithodiidae), Polydesmus collaris C.L. Koch, 1847, Polydesmus inconstans Latzel, 1884 and Polydesmus schaessburgensis Verhoeff, 1898 (Diplopoda: Polydesmida: Polydesmidae). Scanning electron micrographs of the gonopods and male leg-pairs 5 and 6 are provided for the first time for Bulgarosoma superficiei Strasser, 1975, a species hitherto known only from its original description...
May 10, 2017: Zootaxa
https://www.readbyqxmd.com/read/28584727/the-presumed-oldest-flying-insect-more-likely-a-myriapod
#7
Carolin Haug, Joachim T Haug
The early fossil record of insects is scarce, with only few finds in the Devonian. All these finds appear problematic and controversial, partly due to incomplete preservation and challenging interpretation of many structures. We provide details of one of these important forms, Rhyniognatha hirsti from the famous Rhynie Chert Lagerstätte with up-to-date 3D imaging techniques. The fossil has been interpreted as the remains of one of the earliest flying insects. The specimen mainly preserves the remains of the head...
2017: PeerJ
https://www.readbyqxmd.com/read/28411932/arthropod-envenomation-in-north-america
#8
REVIEW
Timothy B Erickson, Navneet Cheema
Arthropods (phylum Arthopoda) account for a higher percentage of morbidity and mortality to humans than do mammalian bites, snake bites, or marine envenomation. They are ubiquitous in domestic dwellings, caves, and campsites and in wilderness settings such as deserts, forests, and lakes. Although arthropods are most intrusive during warmer months, many are active throughout the winter, particularly indoors. Arthropods are also nocturnal and often bite unsuspecting victims while they are sleeping. Encounters with humans are generally defensive, accidental, or reactive...
May 2017: Emergency Medicine Clinics of North America
https://www.readbyqxmd.com/read/28302585/development-and-evolution-of-segmentation-assessed-by-geometric-morphometrics-the-centipede-strigamia-maritima-as-a-case-study
#9
Yoland Savriama, Sylvain Gerber, Matteo Baiocco, Vincent Debat, Giuseppe Fusco
Using the centipede model species Strigamia maritima as a subject of study, we illustrate the potential of geometric morphometrics for investigating the development and evolution of segmentation, with a specific focus on post-embryonic segmental patterning. We show how these techniques can contribute detailed descriptive data for comparative purposes, but also precious information on some features of the developmental system that are considered relevant for the evolvability of a segmented body architecture, such as developmental stability and canalization...
May 2017: Arthropod Structure & Development
https://www.readbyqxmd.com/read/28247497/centipede-venom-peptide-ssmtx-i-with-two-intramolecular-disulfide-bonds-shows-analgesic-activities-in-animal-models
#10
Ying Wang, Xiaojie Li, Meifeng Yang, Chunyun Wu, Zhirong Zou, Jing Tang, Xinwang Yang
Pain is a major symptom of many diseases and results in enormous pressures on human body or society. Currently, clinically used analgesic drugs, including opioids and nonsteroidal anti-inflammatory drugs, have adverse reactions, and thus, the development of new types of analgesic drug candidates is urgently needed. Animal venom peptides have proven to have potential as new types of analgesic medicine. In this research, we describe the isolation and characterization of an analgesic peptide from the crude venom of centipede, Scolopendra subspinipes mutilans...
May 2017: Journal of Peptide Science: An Official Publication of the European Peptide Society
https://www.readbyqxmd.com/read/28242227/insects-arachnids-and-centipedes-venom-a-powerful-weapon-against-bacteria-a-literature-review
#11
REVIEW
Filippo Fratini, Giovanni Cilia, Barbara Turchi, Antonio Felicioli
Currently, new antimicrobial molecules extracted or obtained by natural sources, could be a valide alternative to traditional antibiotics. Most of these molecules are represented by antimicrobial peptides (AMPs), which are essential compounds of insect, arachnids and centipedes venom. AMPs, due to their strong effectiveness, low resistance rates and peculiar mode of action, seem to have all the suitable features to be a powerful weapon against several bacteria, especially considering the increasing antibiotic-resistance phenomena...
May 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28152103/decentralized-control-scheme-for-myriapod-robot-inspired-by-adaptive-and-resilient-centipede-locomotion
#12
Kotaro Yasui, Kazuhiko Sakai, Takeshi Kano, Dai Owaki, Akio Ishiguro
Recently, myriapods have attracted the attention of engineers because mobile robots that mimic them potentially have the capability of producing highly stable, adaptive, and resilient behaviors. The major challenge here is to develop a control scheme that can coordinate their numerous legs in real time, and an autonomous decentralized control could be the key to solve this problem. Therefore, we focus on real centipedes and aim to design a decentralized control scheme for myriapod robots by drawing inspiration from behavioral experiments on centipede locomotion under unusual conditions...
2017: PloS One
https://www.readbyqxmd.com/read/28089338/lymphangitis-from-scolopendra-heros-envenomation-the-texas-redheaded-centipede
#13
Shannon E Essler, Maneesha Julakanti, Andrew L Juergens
Envenomation by Scolopendra heros, the Texas redheaded centipede, can present variably. Although transient pain and erythema are often treated conservatively, complications may include cellulitis, necrosis, myocardial infarction, and rhabdomyolysis. We present a case of an elderly man who came to the emergency department with lymphangitis and dermatitis secondary to a centipede sting that awoke him from sleep. It is important to recognize the potential of centipede envenomation to have severe local and systemic manifestations...
March 2017: Wilderness & Environmental Medicine
https://www.readbyqxmd.com/read/28025226/response-of-pemphigus-betae-hemiptera-aphididae-and-beneficial-epigeal-arthropod-communities-to-sugarbeet-plant-density-and-seed-applied-insecticide-in-western-nebraska
#14
R J Pretorius, G L Hein, E E Blankenship, F F Purrington, J D Bradshaw
This study investigated the impact of a neonicotinoid seed-applied insecticide (Poncho Beta) and two plant densities (86,487 and 61,776 plants per hectare) on the sugarbeet root aphid (Pemphigus betae Doane), beneficial epigeal arthropods, and selected crop yield parameters in sugarbeet (Beta vulgaris L. var. vulgaris). Ground beetles and centipedes were the most commonly collected taxa during 2012 and 2013, respectively. Centipede, spider, and rove beetle activity densities were not affected by the seed-applied insecticide, whereas plant density had a marginal effect on centipede activity density during 2012...
February 1, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28008133/scolopendin-an-antimicrobial-peptide-from-centipede-attenuates-mitochondrial-functions-and-triggers-apoptosis-in-candida-albicans
#15
Heejeong Lee, Jae-Sam Hwang, Dong Gun Lee
Centipedes, a type of arthropod, reportedly produce antimicrobial peptides as part of an innate immune response. Scolopendin (SPSEKAGLQPVGRIGRMLKK) is a novel antimicrobial peptide derived from Scolopendra subspinipes mutilans Many antifungal agents have more than one type of cell death mechanism. Although scolopendin is involved in membrane perturbation, the corresponding intracellular changes require further investigation. Therefore, we assessed the cell morphology and calcium ion concentration of the cytosol and mitochondria of scolopendin-treated cells...
February 20, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/27896920/fusion-of-ssm6a-with-a-protein-scaffold-retains-selectivity-on-nav-1-7-and-improves-its-therapeutic-potential-against%C3%A2-chronic-pain
#16
Chuan Wang, Bin Shan, Qiong Wang, Qunyuan Xu, Hailin Zhang, Huimeng Lei
Voltage-gated sodium channel NaV 1.7 serves as an attractive target for chronic pain treatment. Several venom peptides were found to selectively inhibit NaV 1.7 but with intrinsic problems. Among them, Ssm6a, a recently discovered centipede venom peptide, shows the greatest selectivity against NaV 1.7, but dissociates from the target too fast and loses bioactivity in synthetic forms. As a disulfide-rich venom peptide, it is difficult to optimize Ssm6a by artificial mutagenesis and produce the peptide with common industrial manufacturing methods...
November 29, 2016: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/27780954/antimicrobial-activity-of-the-scolopendrasin-v-peptide-identified-from-the-centipede-scolopendra-subspinipes-mutilans
#17
Joon Ha Lee, In-Woo Kim, Mi-Ae Kim, Mi-Young Ahn, Eun-Young Yun, Jae Sam Hwang
In a previous study, we analyzed the transcriptome of Scolopendra subspinipes mutilans using next generation sequencing technology and identified several antimicrobial peptide candidates. One of peptides, scolopendrasin V, was selected based on the physicochemical properties of antimicrobial peptides using a bioinformatics strategy. In this study, we assessed the antimicrobial activities of scolopendrasin V by using radial diffusion assay and colony count assay. We also investigated the mode of action of scolopendrasin V using flow cytometry...
October 25, 2016: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/27770928/in-situ-chitin-isolation-from-body-parts-of-a-centipede-and-lysozyme-adsorption-studies
#18
Esra Bulut, Idris Sargin, Ozlem Arslan, Mehmet Odabasi, Bahar Akyuz, Murat Kaya
Isolation of structurally intact chitin samples for biotechnological applications has gained much recent attention. So far, three-dimensional chitin isolates have been obtained from only diplopods and sponges. In this study, three-dimensional chitin isolates were obtained from the body parts of centipede Scolopendra sp. (antennae, head, forcipule, collum, trunk, trunk legs and last pair of legs) without leading to structural failure. FT-IR spectra of chitin isolates confirmed that chitin samples are in α allomorph...
January 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27701308/lithobius-ezembius-multispinipes-n-sp-a-new-species-of-centipede-from-northwest-china-lithobiomorpha-lithobiidae
#19
Sujian Pei, Yanmin Lu, Haipeng Liu, Xiaojie Hou, Huiqin Ma, Marzio Zapparoli
The centipede subgenus Lithobius (Ezembius) Chamberlin, 1919 comprises a group of about 60 species known from the Near East across Siberia and Central Asia to China, and Japan, and Southwards into the Northern Indian subcontinent and the Northern part of the Oriental region (Eason 1992, Zapparoli 1999). It is also known from Alaska in Western North America (Zapparoli & Edgecombe 2011). Although the subgenus was formally proposed as new and described in 1923 (Chamberlin 1923), according to Jeekel (2005) its name had been already validated in 1919 (Chamberlin 1919)...
September 20, 2016: Zootaxa
https://www.readbyqxmd.com/read/27697042/animal-venom-peptides-potential-for-new-antimicrobial-agents
#20
REVIEW
Muriel Primon-Barros, Alexandre José Macedo
Microbial infections affect people worldwide, causing diseases with significant impact on public health, indicating the need for research and development of new antimicrobial agents. Animal venoms represent a vast and largely unexploited source of biologically active molecules with attractive candidates for the development of novel therapeutics. Venoms consist of complex mixtures of molecules, including antimicrobial peptides (AMPs). Since the discovery of AMPs, they have been studied as promising new antimicrobial drugs...
2017: Current Topics in Medicinal Chemistry
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