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https://www.readbyqxmd.com/read/29156569/new-insights-into-the-microbiota-of-moth-pests
#1
REVIEW
Valeria Mereghetti, Bessem Chouaia, Matteo Montagna
In recent years, next generation sequencing (NGS) technologies have helped to improve our understanding of the bacterial communities associated with insects, shedding light on their wide taxonomic and functional diversity. To date, little is known about the microbiota of lepidopterans, which includes some of the most damaging agricultural and forest pests worldwide. Studying their microbiota could help us better understand their ecology and offer insights into developing new pest control strategies. In this paper, we review the literature pertaining to the microbiota of lepidopterans with a focus on pests, and highlight potential recurrent patterns regarding microbiota structure and composition...
November 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29152192/close-and-distant-contrasting-the-metabolism-of-two-closely-related-subspecies-of-scots-pine-under-the-effects-of-folivory-and-summer-drought
#2
Albert Rivas-Ubach, Jordi Sardans, José Antonio Hódar, Joan Garcia-Porta, Alex Guenther, Ljiljana Paša-Tolić, Michal Oravec, Otmar Urban, Josep Peñuelas
Metabolomes, as chemical phenotypes of organisms, are likely not only shaped by the environment but also by common ancestry. If this is the case, we expect that closely related species of pines will tend to reach similar metabolomic solutions to the same environmental stressors. We examined the metabolomes of two sympatric subspecies of Pinus sylvestris in Sierra Nevada (southern Iberian Peninsula), in summer and winter and exposed to folivory by the pine processionary moth. The overall metabolomes differed between the subspecies but both tended to respond more similarly to folivory...
November 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/29150505/cry64ba-and-cry64ca-two-etx-mtx2-bacillus-thuringiensis-insecticidal-proteins-against-hemipteran-pests
#3
Yonglei Liu, Yinglong Wang, Changlong Shu, Kejian Lin, Fuping Song, Alejandra Bravo, Mario Soberón, Jie Zhang
Genetically modified crops that express insecticidal Bacillus thuringiensis (Bt) proteins have become a primary approach for control of lepidopteran (moth) and coleopteran (beetle) pests that feed by chewing the plants. However, the sap-sucking insects (Hemiptera) are not particularly susceptible to Bt toxins. In this study, we describe two Cry toxins (Cry64Ba and Cry64Ca) from a Bt 1012 strain showed toxicity against two important rice hemipteran pests, Laodelphax striatellus and Sogatella furcifera Both of these two proteins contain an ETX/MTX2 domain, and share common sequence features with the β-pore forming toxins...
November 17, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29149051/molecular-alliance-of-lymantria-dispar-multiple-nucleopolyhedrovirus-and-a-short-unmodified-antisense-oligonucleotide-of-its-anti-apoptotic-iap-3-gene-a-novel-approach-for-gypsy-moth-control
#4
Volodymyr V Oberemok, Kateryna V Laikova, Aleksei S Zaitsev, Maksym N Shumskykh, Igor N Kasich, Nikita V Gal'chinsky, Viktoriya V Bekirova, Valentin V Makarov, Alexey A Agranovsky, Vladimir A Gushchin, Ilya V Zubarev, Anatoly V Kubyshkin, Iryna I Fomochkina, Mikhail V Gorlov, Oleksii A Skorokhod
Baculovirus IAP (inhibitor-of-apoptosis) genes originated by capture of host genes. Unmodified short antisense DNA oligonucleotides (oligoDNAs) from baculovirus IAP genes can down-regulate specific gene expression profiles in both baculovirus-free and baculovirus-infected insects. In this study, gypsy moth (Lymantria dispar) larvae infected with multiple nucleopolyhedrovirus (LdMNPV), and LdMNPV-free larvae, were treated with oligoDNA antisense to the RING (really interesting new gene) domain of the LdMNPV IAP-3 gene...
November 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29148167/monitoring-resistance-of-cydia-pomonella-l-spanish-field-populations-to-new-chemical-insecticides-and-the-mechanisms-involved
#5
Dolors Bosch, Marcela A Rodríguez, Jesús Avilla
BACKGROUND: A widespread resistance of Cydia pomonella to organophosphates was demonstrated in populations from the Spanish Ebro Valley area that showed high levels of enzymatic detoxification. To determine the efficacy of new insecticides, neonate larvae bioassays were carried out on twenty field codling moth populations collected from three different Spanish apple production areas. Synergist bioassays were performed to detect the enzymatic mechanisms involved. RESULTS: The least active ingredients were methoxyfenozide, with 100% of the populations showing significantly lower mortality than the susceptible strain, and lambda-cyhalothrin, with very high resistant ratios (872...
November 16, 2017: Pest Management Science
https://www.readbyqxmd.com/read/29147778/genome-wide-investigation-of-transcription-factors-provides-insights-into-transcriptional-regulation-in-plutella-xylostella
#6
Qian Zhao, Dongna Ma, Yuping Huang, Weiyi He, Yiying Li, Liette Vasseur, Minsheng You
Transcription factors (TFs), which play a vital role in regulating gene expression, are prevalent in all organisms and characterization of them may provide important clues for understanding regulation in vivo. The present study reports a genome-wide investigation of TFs in the diamondback moth, Plutella xylostella (L.), a worldwide pest of crucifers. A total of 940 TFs distributed among 133 families were identified. Phylogenetic analysis of insect species showed that some of these families were found to have expanded during the evolution of P...
November 16, 2017: Molecular Genetics and Genomics: MGG
https://www.readbyqxmd.com/read/29146094/is-balloon-kyphoplasty-a-better-treatment-than-percutaneous-vertebroplasty-for-chronic-obstructive-pulmonary-disease-copd-patients-with-osteoporotic-vertebral-compression-fractures-ovcfs
#7
Xinjie Wu, Xiangsheng Tang, Mingsheng Tan, Ping Yi, Feng Yang
BACKGROUND: Although several studies reported that Balloon kyphoplasty (BK) or percutaneous vertebroplasty (PVP) could improve pulmonary functions, there is no study to compare the efficacy and safety of 2 procedures in COPD patients with osteoporotic vertebral compression fractures (OVCFs) and investigate the reason why they could improve pulmonary functions. METHOD: Two procedures, including BK and PVP were performed in 61 COPD patients with single-level OVCFS...
November 13, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29143146/screening-transferable-microsatellite-markers-across-genus-phalaenopsis-orchidaceae
#8
Ya-Zhu Ko, Huei-Chuan Shih, Chi-Chu Tsai, Hsing-Hua Ho, Pei-Chun Liao, Yu-Chung Chiang
BACKGROUND: Molecular identification based on microsatellite loci is an important technology to improve the commercial breeding of the moth orchid. There are more than 30,000 cultivars have been enrolled at the Royal Horticultural Society (RHS). In this study, genomic microsatellite primer sets were developed from Phalaenopsis aphrodite subsp. formosana to further examine the transferability of across 21 Phalaenopsis species. METHODS AND RESULTS: Twenty-eight polymorphic microsatellite markers were obtained using the magnetic bead enrichment method, with high transferability of the 21 species of the genus Phalaenopsis, especially in the subgenus Phalaenopsis...
November 15, 2017: Botanical Studies (Taipei, Taiwan)
https://www.readbyqxmd.com/read/29137996/mitochondrial-genome-of-diaphania-indica-saunders-lepidoptera-pyraloidea-and-implications-for-its-phylogeny
#9
Li-Shang Dai, Xu-Dong Zhou, Saima Kausar, Muhammad Nadeem Abbas, Liang Wu, Hai-Ling Zhou
The cucumber moth, Diaphania indica (Saunders) (Lepipdoptera: Pyralidae) is an economically important insect pest of cucurbits and is widely distributed in tropical and sub-tropical regions. Herein, we obtained entire mitochondrial genome (mitogenome) sequence of D. indica using polymerase chain reaction amplification and sequencing method. The complete mitogenome of D. indica is 15,367bp long, including 13 protein coding genes (PCGs), 22 transfer RNA genes (tRNAs), two ribosomal RNA genes (rRNAs) and an A+T rich element...
November 11, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29134006/cecidonius-pampeanus-gen-et-sp-n-an-overlooked-and-rare-new-gall-inducing-micromoth-associated-with-schinus-in-southern-brazil-lepidoptera-cecidosidae
#10
Gilson R P Moreira, Rodrigo P Eltz, Ramoim B Pase, Gabriela T Silva, Sérgio A L Bordignon, Wolfram Mey, Gislene L Gonçalves
Galls induced by the larval stage of cecidosids (Lepidoptera: Cecidosidae) are complex, multi-trophic systems, still poorly studied. They may be associated with other insect feeding guilds, including inquilines, kleptoparasites, cecidophages, parasitoids, and predators. By causing death of the gall inducer early in life and altering the gall phenotype, inquilines may lead to misidentification of the true gall inducers. Here, we describe through light and scanning electron microscopy Cecidonius pampeanus, a new genus and species of cecidosid moth, from the Pampa biome, south Brazil...
2017: ZooKeys
https://www.readbyqxmd.com/read/29133989/a-new-species-of-wasp-mimicking-clearwing-moth-from-peninsular-malaysia-with-dna-barcode-and-behavioural-notes-lepidoptera-sesiidae
#11
Marta Agnieszka Skowron Volponi, Paolo Volponi
A new species of clearwing moth, Pyrophleps ellawi Skowron Volponi, sp. n., is described from Peninsular Malaysia. Information on the habitat, time and conditions of occurrence, flight and mud-puddling behaviour, functional morphology, and DNA barcode are also provided. Photographs and a supplementary video from the wild demonstrate the postures and behaviour of this species of Pyrophleps, whose remaining members were described only on the basis of pinned specimens. This is the first record of this genus in Peninsular Malaysia...
2017: ZooKeys
https://www.readbyqxmd.com/read/29133797/the-deep-conservation-of-the-lepidoptera-z-chromosome-suggests-a-non-canonical-origin-of-the-w
#12
Christelle Fraïsse, Marion A L Picard, Beatriz Vicoso
Moths and butterflies (Lepidoptera) usually have a pair of differentiated WZ sex chromosomes. However, in most lineages outside of the division Ditrysia, as well as in the sister order Trichoptera, females lack a W chromosome. The W is therefore thought to have been acquired secondarily. Here we compare the genomes of three Lepidoptera species (one Dytrisia and two non-Dytrisia) to test three models accounting for the origin of the W: (1) a Z-autosome fusion; (2) a sex chromosome turnover; and (3) a non-canonical mechanism (e...
November 14, 2017: Nature Communications
https://www.readbyqxmd.com/read/29131867/differential-transcriptome-analysis-reveals-genes-related-to-cold-tolerance-in-seabuckthorn-carpenter-moth-eogystia-hippophaecolus
#13
Mingming Cui, Ping Hu, Tao Wang, Jing Tao, Shixiang Zong
Seabuckthorn carpenter moth, Eogystia hippophaecolus (Lepidoptera: Cossidae), is an important pest of sea buckthorn (Hippophae rhamnoides), which is a shrub that has significant ecological and economic value in China. E. hippophaecolus is highly cold tolerant, but limited studies have been conducted to elucidate the molecular mechanisms underlying its cold resistance. Here we sequenced the E. hippophaecolus transcriptome using RNA-Seq technology and performed de novo assembly from the short paired-end reads...
2017: PloS One
https://www.readbyqxmd.com/read/29130369/from-moths-to-caterpillars-ideal-conditions-for-galleria-mellonella-rearing-for-in-vivo-microbiological-studies
#14
Adeline L Jorjão, Luciane D Oliveira, Liliana Scorzoni, Lívia Mara A Figueiredo-Godoi, Marcia Cristina A Prata, Antonio Olavo C Jorge, Juliana C Junqueira
Galleria mellonella is a well-accepted insect model for the study of pathogen-host interactions and antimicrobial compounds. The main advantages of this model include the low cost of maintenance, the fast life cycle, the possibility of using a large number of caterpillars and the innate immune system, which is evolutionarily conserved relative to mammals. Because of these advantages, different research groups have been working to implement the rearing of G. mellonella in laboratory conditions. This protocol describes our experience in the rearing of G...
November 13, 2017: Virulence
https://www.readbyqxmd.com/read/29128122/resilience-of-carbon-and-nitrogen-removal-due-to-aeration-interruption-in-aerated-treatment-wetlands
#15
Johannes Boog, Jaime Nivala, Thomas Aubron, Sibylle Mothes, Manfred van Afferden, Roland A Müller
Treatment wetlands have long been used for domestic and industrial wastewater treatment. In recent decades, treatment wetland technology has evolved and now includes intensified designs such as aerated treatment wetlands. Aerated treatment wetlands are particularly dependent on aeration, which requires reliable air pumps and, in most cases, electricity. Whether aerated treatment wetlands are resilient to disturbances such as an aeration interruption is currently not well known. In order to investigate this knowledge gap, we carried out a pilot-scale experiment on one aerated horizontal flow wetland and one aerated vertical flow wetland under warm (Twater>17°C) and cold (Twater<10°C) weather conditions...
November 8, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29126324/a-moth-and-its-flame-mate-selection-found-to-evolve-from-response-to-flower-odors
#16
Joseph Caspermeyer
No abstract text is available yet for this article.
November 1, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/29126322/characterization-of-odorant-receptors-from-a-non-ditrysian-moth-eriocrania-semipurpurella-sheds-light-on-the-origin-of-sex-pheromone-receptors-in-lepidoptera
#17
Jothi Kumar Yuvaraj, Jacob A Corcoran, Martin N Andersson, Richard D Newcomb, Olle Anderbrant, Christer Löfstedt
Pheromone receptors (PRs) are essential in moths to detect sex pheromones for mate finding. However, it remains unknown from which ancestral proteins these specialized receptors arose. The oldest lineages of moths, so-called non-ditrysian moths, use short-chain pheromone components, secondary alcohols, or ketones, so called Type 0 pheromones that are similar to many common plant volatiles. It is, therefore, possible that receptors for these ancestral pheromones evolved from receptors detecting plant volatiles...
November 1, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/29126215/demonstration-and-quantification-of-restricted-mating-between-fall-armyworm-host-strains-in-field-collections-by-snp-comparisons
#18
Rodney N Nagoshi, Shelby Fleischer, Robert L Meagher
Gene introgression between related pest populations is an important component in the assessment of how rapidly economically important traits, such as pesticide resistance, can spread within a region. An example of this is provided by the noctuid moth Spodoptera frugiperda (J.E. Smith), or fall armyworm, which is composed of two 'host strains' that differ in their host plant preferences. Resistance to a Bacillus thuringiensis toxin has been observed in some populations and there is concern about its spread throughout the Western Hemisphere...
November 8, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29126214/diapause-induced-by-temperature-and-photoperiod-affects-fatty-acid-compositions-and-cold-tolerance-of-phthorimaea-operculella-lepidoptera-gelechiidae
#19
Chamran Hemmati, Saeid Moharramipour, Ali Asghar Talebi
To find out the potential condition for diapause induction in the potato tuber moth Phthorimaea operculella (Zeller), combination of constant temperatures (15, 20, and 30°C) and photoperiods (8, 9, 10, 11, 12, 14, and 16 h) were employed from egg to adult emergence. In addition, changes in the total phospholipid fatty acid content and cold tolerance of non-diapausing and diapausing pupae were examined. The critical daylength for diapause induction were 12.43 h at 20°C and lower temperatures that can induce in 50% of population...
November 4, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/29126192/effects-of-exyra-ridingsii-lepidoptera-noctuidae-on-sarracenia-flava-nepenthales-sarraceniaceae
#20
Christine A Ricci, Albert J Meier, Ouida W Meier, T Keith Philips
Exyra ridingsii (Riley) (Lepidoptera: Noctuidae) is a moth whose obligate host is the pitcher plant Sarracenia flava (L.) (Nepenthales: Sarraceniaceae). The entire life cycle of the moth is completed in the trumpets of this fire-dependent plant that is found throughout the southeastern United States in bogs, long-leaf pine savannas, and pocosins. The purpose of this study was to determine the effects of E. ridingsii on S. flava, including the effect of herbivory on trumpet height in the year subsequent to feeding and whether moths select trumpets for oviposition based on height...
November 4, 2017: Environmental Entomology
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