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JOURNAL ARTICLE
Shuai-Shuai Zhang, Pei-Chao Wang, Chao Ning, Ke Yang, Guo-Cheng Li, Lin-Lin Cao, Ling-Qiao Huang, Chen-Zhu Wang
Almost all herbivorous insects feed on plants and use sucrose as a feeding stimulant, but the molecular basis of their sucrose reception remains unclear. Helicoverpa armigera as a notorious crop pest worldwide mainly feeds on reproductive organs of many plant species in the larval stage, and its adult draws nectar. In this study, we determined that the sucrose sensory neurons located in the contact chemosensilla on larval maxillary galea were 100-1000 times more sensitive to sucrose than those on adult antennae, tarsi, and proboscis...
May 30, 2024: ELife
#2
JOURNAL ARTICLE
Noura Elmnasser, Wafa Hassen, Tarek Zmantar, Syed Amir Ashraf, Ramzi Hadj Lajimi, Jamal R Humaidi, Mousa Alreshidi, Walid Sabri Hamadou, Noumi Emira, Mejdi Snoussi
Probiotics have been used successfully in aquaculture to enhance disease resistance, nutrition, and/or growth of cultured organisms. Six strains of Bacillus were isolated from the intestinal tracts of fish and recognised by conventional biochemical traits. The six isolated strains were Bacillus cereus and Bacillus subtilis using MALDI-TOF-MS technique. The probiotic properties of these Bacillus strains were studied. The tested bacillus strains exhibit antibacterial activity against the different pathogens. The strain S5 gave the important inhibition zones against most pathogens (20...
May 27, 2024: Cellular and Molecular Biology
#3
JOURNAL ARTICLE
Bo-Yu Peng, Yazhou Xu, Xuefei Zhou, Wei-Min Wu, Yalei Zhang
The insect Tenebrio molitor exhibits ultrafast efficiency in biodegrading polystyrene (PS). However, the generation and fate of nanoplastics (NPs) in the intestine during plastic biodegradation remain unknown. In this study, we investigated the biodegradation of PS microplastics (MPs) mediated by T. molitor larvae over a 4-week period and confirmed biodegradation by analyzing Δδ13 C in the PS before and after biotreatment (-28.37‰ versus -24.88‰) as an effective tool. The ·OH radicals, primarily contributed by gut microbiota, and H2 O2 , primarily produced by the host, both increased after MP digestion...
May 30, 2024: Environmental Science & Technology
#4
JOURNAL ARTICLE
Lida Zhang, Tianxin Zhao, Lili Geng, Chao Zhang, Wensheng Xiang, Jie Zhang, Xiangjing Wang, Changlong Shu
Protaetia brevitarsis larvae (PBL) are soil insects important for the soil organic carbon cycle, and PBL frass not only contains a large amount of humic acid but also affects the diversity, novelty, and potential functions of actinomycetes. Here, we characterized and assessed the actinomycete. The operational taxonomic unit (OTU) data showed that 90% of the actinomycetes cannot be annotated to species, and pure culture and genome analysis showed that 35% of the strains had the potential to be new species, indicating the novelty of PBL frass actinomycetes...
2024: Frontiers in Microbiology
#5
JOURNAL ARTICLE
Zamroni Afif, Mochammad Istiadjid Eddy Santoso, Nurdiana, Husnul Khotimah, Irawan Satriotomo, Shahdevi Nandar Kurniawan, Hidayat Sujuti, Dheka Sapti Iskandar, Annisatul Hakimah
Background: Insomnia is difficulty initiating or maintaining sleep for at least three nights a week or more and lasting for at least 3 months. One of the molecules that play a role in the circadian rhythm of arousal system is hypocretin/orexin. Orexin activates the p38-MAPK signaling pathway and increases phosphorylated ERK1/2 levels. Centella asiatica (CA) has a role in the signal work of the MAPK/ERK, Akt, and p38 path in many various diseases. Methods: The research method used is true laboratory experimental...
2024: F1000Research
#6
JOURNAL ARTICLE
Pedro María Alarcón-Elbal, Marcos López-de-Felipe, Ignacio Gil-Torró, Isaac García-Masiá, Pilar Mateo-Herrero, Rubén Bueno-Marí
Since its introduction in Spain in 2004, Aedes albopictus has rapidly spread across the country. Its aggressive biting behaviour causes nuisance, limiting outdoor activities. Also, its role as a vector of several arboviruses implies a major public health risk, with several cases of autochthonous dengue having been reported nationwide over the past few years. Control strategies usually focus on interventions in breeding sites. As such, accurate knowledge of the main larval habitats becomes a major priority in infested areas...
May 30, 2024: Bulletin of Entomological Research
#7
JOURNAL ARTICLE
Gongyi Xiao, Xiangwei Li, Huiping Yang, Ruobin Zhang, Junlan Huang, Yu Tian, Mao Nie, Xianding Sun
BACKGROUND: The larval zebrafish tail fin can completely regenerate in 3 days post amputation. mTOR, the main regulator of cell growth and metabolism, plays an essential role in regeneration. Lots of studies have documented the role of mTOR in regeneration. However, the mechanisms involved are still not fully elucidated. MATERIALS AND RESULTS: This study aimed to explore the role and mechanism of mTOR in the regeneration of larval zebrafish tail fins. Initially, the spatial and temporal expression of mTOR signaling in the larval fin was examined, revealing its activation following tail fin amputation...
May 29, 2024: Journal of Orthopaedic Surgery and Research
#8
JOURNAL ARTICLE
Elena Colombino, Marta Gariglio, Ilaria Biasato, Ilario Ferrocino, Sara Pozzo, Emma Fragola, Elena Battisti, Stefania Zanet, Ezio Ferroglio, Maria Teresa Capucchio, Achille Schiavone
BACKGROUND: This study aimed to evaluate the effects of Hermetia illucens (Black soldier fly-BSF) and Tenebrio molitor (Yellow mealworm-YMW) live larvae as a new nutritional model on duck's gut health, considering gut histomorphometry, mucin composition, cytokines transcription levels, and microbiota. A total of 126, 3-days-old, females Muscovy ducks were randomly allotted to three dietary treatments (6 replicates/treatment, 7 birds/pen): (i) C: basal diet; (ii) BSF: C + BSF live larvae; (iii) YMW: C + YMW live larvae...
May 29, 2024: Animal microbiome
#9
JOURNAL ARTICLE
Jean-Philippe B Tia, Emile S F Tchicaya, Julien Z B Zahouli, Allassane F Ouattara, Laura Vavassori, Jean-Baptiste Assamoi, Graham Small, Benjamin G Koudou
BACKGROUND: The recent reduction in malaria burden in Côte d'Ivoire is largely attributable to the use of long-lasting insecticidal nets (LLINs). However, this progress is threatened by insecticide resistance and behavioral changes in Anopheles gambiae sensu lato (s.l.) populations and residual malaria transmission, and complementary tools are required. Thus, this study aimed to assess the efficacy of the combined use of LLINs and Bacillus thuringiensis israelensis (Bti), in comparison with LLINs...
May 29, 2024: Malaria Journal
#10
JOURNAL ARTICLE
Variant-specific pathophysiological mechanisms of AFF3 differently influence transcriptome profiles.
Sissy Bassani, Jacqueline Chrast, Giovanna Ambrosini, Norine Voisin, Frédéric Schütz, Alfredo Brusco, Fabio Sirchia, Lydia Turban, Susanna Schubert, Rami Abou Jamra, Jan-Ulrich Schlump, Desiree DeMille, Pinar Bayrak-Toydemir, Gary Rex Nelson, Kristen Nicole Wong, Laura Duncan, Mackenzie Mosera, Christian Gilissen, Lisenka E L M Vissers, Rolph Pfundt, Rogier Kersseboom, Hilde Yttervik, Geir Åsmund Myge Hansen, Marie Falkenberg Smeland, Kameryn M Butler, Michael J Lyons, Claudia M B Carvalho, Chaofan Zhang, James R Lupski, Lorraine Potocki, Leticia Flores-Gallegos, Rodrigo Morales-Toquero, Florence Petit, Binnaz Yalcin, Annabelle Tuttle, Houda Zghal Elloumi, Lane McCormick, Mary Kukolich, Oliver Klaas, Judit Horvath, Marcello Scala, Michele Iacomino, Francesca Operto, Federico Zara, Karin Writzl, Aleš Maver, Maria K Haanpää, Pia Pohjola, Harri Arikka, Anneke J A Kievit, Camilla Calandrini, Christian Iseli, Nicolas Guex, Alexandre Reymond
BACKGROUND: We previously described the KINSSHIP syndrome, an autosomal dominant disorder associated with intellectual disability (ID), mesomelic dysplasia and horseshoe kidney, caused by de novo variants in the degron of AFF3. Mouse knock-ins and overexpression in zebrafish provided evidence for a dominant-negative mode of action, wherein an increased level of AFF3 resulted in pathological effects. METHODS: Evolutionary constraints suggest that other modes-of-inheritance could be at play...
May 30, 2024: Genome Medicine
#11
JOURNAL ARTICLE
Roger Arana-Guardia, Omar García-Suárez, Paola Martínez-Duque, María J Tolsá-García, Ana L Vigueras-Galván, Benjamin Roche, David Roiz, Gerardo Suzán, Stanislas Talaga
Updating the mosquito fauna occurring in a specific area is crucial, given that certain species serve as vectors capable of transmitting zoonotic arboviruses. This scientific note presents the first records of mosquitoes of the tribe Orthopodomyiini in the Yucatan Peninsula. Immature mosquitoes were collected on 2 occasions inside a large tree hole in Felipe Carrillo Puerto, Quintana Roo, Mexico. Thirteen adult specimens, reared from the immatures, were obtained and identified as Orthopodomyia kummi based on external characteristics of females and males...
June 1, 2024: Journal of the American Mosquito Control Association
#12
JOURNAL ARTICLE
Lipid composition differs in diapause and nondiapause states of spotted stem borer, Chilo partellus.
Aditya K Tanwar, Mukesh K Dhillon, Fazil Hasan, Sandeep Kumar, Jagbir S Kirti
Spotted stem borer, Chilo partellus, undergoes larval diapause (hibernation and aestivation), and depends on the food reserve accumulated during feeding stage for its survival. Lipids are the primary source of energy during diapause, and essential for different cellular, biochemical and physiological functions. However, there is no information on lipid and lipophilic compound contents during different stages of hibernation, aestivation and nondiapause in C. partellus. Thus, we compared the concentration and composition of lipids in pre-diapause, diapause and post-diapause stages of hibernation and aestivation with nondiapause stages of C...
May 27, 2024: Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology
#13
JOURNAL ARTICLE
Abdoul-Aziz Maiga, Aboubacar Sombié, Nicolas Zanré, Félix Yaméogo, Souleymane Iro, Jean Testa, Antoine Sanon, Ousmane Koita, Hirotaka Kanuka, Philip J McCall, David Weetman, Athanase Badolo
BACKGROUND: Ae. aegypti is the vector of important μ arboviruses, including dengue, Zika, chikungunya and yellow fever. Despite not being specifically targeted by insecticide-based control programs in West Africa, resistance to insecticides in Ae. aegypti has been reported in countries within this region. In this study, we investigated the status and mechanisms of Ae. aegypti resistance in Niamey, the capital of Niger. This research aims to provide baseline data necessary for arbovirus outbreak prevention and preparedness in the country...
2024: PloS One
#14
JOURNAL ARTICLE
José Carranza, Kazuki Yamada, Yuta Sakae, Jongsung Noh, Man Ho Choi, Minoru Tanaka
cytochrome P - 450 , 21-hydroxylase ( cyp21a2 ), encodes an enzyme required for cortisol biosynthesis, and its mutations are the major genetic cause of congenital adrenal hyperplasia (CAH) in humans. Here, we have generated a null allele for the medaka cyp21a2 with a nine base-pair insertion which led to a truncated protein. We have observed a delay in hatching and a low survival rate in homozygous mutants. The interrenal gland (adrenal counterpart in teleosts) exhibits hyperplasia and the number of pomca -expressing cells in the pituitary increases in the homozygous mutant...
June 2024: Zoological Science
#15
JOURNAL ARTICLE
M D Trebukh, N V Tyshko, E O Sadykova, N S Nikitin, I V Gmoshinski
The improvement of the novel foods' safety assessment algorithms is currently one of the food hygiene significant areas. Within the studying of Hermetia illucens insects' effect, the standard in vivo allergological research integrated in the protocol of medical and biological evaluation of genetically modified food has been used. The protocol was supplemented with cytokine profile indicators and pathomorphologic characteristics of immunocompetent organs' lymphoid tissue. The purpose of the research was to study the effect of black soldier fly (Hermetia illucens) larvae biomass on the rats' immune status in the experiment on the induced anaphylactic shock model...
2024: Voprosy Pitaniia
#16
JOURNAL ARTICLE
Fred Mwabulili, Yanli Xie, Shumin Sun, Weibin Ma, Qian Li, Yuhui Yang, Hang Jia, Xiao Li
The enzymatic biodegradation of mycotoxins in food and feed has attracted the most interest in recent years. In this paper, the laccase gene from Bacillus swezeyi was cloned and expressed in Escherichia coli BL 21(D3). The sequence analysis indicated that the gene consisted of 1533 bp. The purified B. swezeyi laccase was analyzed by sodium dodecyl sulfate-polyacrylamide gel electrophoresis -12% with an estimated molecular weight of 56.7 kDa. The enzyme is thermo-alkali-tolerant, displaying the optimal degradation of zearalenone (ZEN) and aflatoxin B1 (AFB1 ) at pH 8 and 9, with incubation temperatures of 55 and 50 °C, respectively, within 24 h...
May 29, 2024: Journal of Agricultural and Food Chemistry
#17
JOURNAL ARTICLE
Sheng-Qun Deng, Ni Li, Xu-Ke Yang, Hong-Zheng Lu, Jia-Hua Liu, Zhe-Yu Peng, Lin-Min Wang, Mao Zhang, Chao Zhang, Chen Chen
UNLABELLED: The entomopathogenic fungus Beauveria bassiana provides an eco-friendly substitute to chemical insecticides for mosquito control. Nevertheless, its widespread application has been hindered by its comparatively slow efficacy in eliminating mosquitoes. To augment the potency of B. bassiana against Aedes mosquitoes, a novel recombinant strain, Bb -Cyt1Aa, was developed by incorporating the Bacillus thuringiensis toxin gene Cyt1Aa into B. bassiana . The virulence of Bb -Cyt1Aa was evaluated against Aedes aegypti and Aedes albopictus using insect bioassays...
May 29, 2024: Microbiology Spectrum
#18
JOURNAL ARTICLE
R Huff, M B Mann, I M S Castro, C I Kothe, J Frazzon, A P Guedes Frazzon
No abstract text is available yet for this article.
2024: Brazilian Journal of Biology
#19
JOURNAL ARTICLE
DNA methylase 1 influences temperature responses and development in the invasive pest Tuta absoluta.
Yanhong Tang, Huifang Zhang, Huanqing Zhu, Siyan Bi, Xiaodi Wang, Shunxia Ji, Jianhang Ji, Dongfang Ma, Cong Huang, Guifen Zhang, Nianwan Yang, Fanghao Wan, Zhichuang Lü, Wanxue Liu
DNA methylase 1 (Dnmt1) is an important regulatory factor associated with biochemical signals required for insect development. It responds to changes in the environment and triggers phenotypic plasticity. Meanwhile, Tuta absoluta Meyrick (Lepidoptera: Gelechiidae)-a destructive invasive pest-can rapidly invade and adapt to different habitats; however, the role of Dnmt1 in this organism has not been elucidated. Accordingly, this study investigates the mechanism(s) underlying the rapid adaptation of Tuta absoluta to temperature stress...
May 29, 2024: Insect Molecular Biology
#20
JOURNAL ARTICLE
Jenny E Jaffe, Sonja Metzger, Kerstin Mätz-Rensing, Alexis Ribas, Roman M Wittig, Fabian H Leendertz
Nematodes belonging to the genus Oesophagostomum frequently infect wild chimpanzees (Pan troglodytes) across widely separated field sites. Nodular lesions (granulomas) containing Oesophagostomum are commonly seen in the abdomen of infected chimpanzees post-mortem. At Taï National Park, Côte d'Ivoire, previous studies have identified larvae of a variety of Oesophagostomum spp. in wild chimpanzee stool, based on sequencing of larval DNA, and nodular lesions associated with Oesophagostomum, identified morphologically to the genus level but not sequenced...
May 28, 2024: American Journal of Primatology
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