Biologia最新文献

{"title":"A study on bioremoval of a neonicotinoid insecticide, imidacloprid, by a newly isolated Acremonium sclerotigenum","authors":"Selin Işıldak, Nazlıhan Tekin, Sevgi Ertuğrul Karatay, Gönül Dönmez","doi":"10.1007/s11756-024-01750-1","DOIUrl":"https://doi.org/10.1007/s11756-024-01750-1","url":null,"abstract":"<p>A neonicotinoid insecticide, imidacloprid (IMI), has been widely used by seed treatment to control the sucking and biting insects since the nineties. Although it has been regarded as a highly recalcitrant pesticide, with reports of half-lives in the soil of 174 days and its use was banned in several countries for use on several crops, there is a limited number of reports on its mycoremediation. Considering also the difficulties in the control of its illegal use in some countries, seventeen fungal strains were isolated and tested for their IMI removal capacity in the current study, and <i>Acremonium sclerotigenum</i> was selected for further experiments. This is the first report indicating the usability of this biomass material cultivated in the molasses medium for IMI removal. Effect of some parameters on bioremoval rate, such as pH (4, 5, 6, 7), pesticide concentration (2.6, 6.7, 18.3, 33.9 and 44.0 mg/L), incubation time (48, 96 and 144 h), and amount of inoculum were tested. The maximum specific IMI uptake was obtained as 15.4 mg/g at 33.9 mg/L IMI concentration. The highest bioremoval rates observed for 2.6 and 6.7 mg/L pesticide levels were 100% at the end of 48 h at pH 6. The fungus could also remove 8.9% of 44.0 mg/L IMI at 96 h. This study suggests that <i>A. sclerotigenum</i> holds the potential for effective removal of IMI from the affected environment.</p>","PeriodicalId":8978,"journal":{"name":"Biologia","volume":"18 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141615022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Biotic environment reinforcing the pertinacious clinically relevant COVID-19 associated mucormycosis: First report from Kashmir valley, India","authors":"Insha Amin, Riasa Zaffar, Ruqeya Nazir, Mushtaq Ahmad Rather","doi":"10.1007/s11756-024-01727-0","DOIUrl":"https://doi.org/10.1007/s11756-024-01727-0","url":null,"abstract":"<p>Immuno-compromised COVID-19 patients being treated with glucocorticoids like Dexamethasone for prolonged periods had led to the surge of mucormycosis. <i>Mucor</i> spores proliferate and spread faster in COVID afflicted persons. In India, more than 51,775 cases and 4300 deaths due to COVID-associated mucormycosis were reported till date. The Government of J&amp;K declared an epidemic of COVID-19 associated mucormycosis under Sect. 2 of the Epidemic Disease Act, 1897. In the backdrop of current COVID scenario, it becomes imperative to study the etiological factors, occurrence of causative agents and aerosolisation of the <i>Mucor</i> spores from the environmental samples leading to mucormycosis. The present study was undertaken to check the presence of <i>Mucor</i> spores in the environment so as to find the reinforcing sources of COVID associated mucormycosis. We isolated three strains of <i>Mucor</i> species: <i>Mucor circinelloides</i> and two <i>Mucor hiemalis</i> species, from environmental samples (air, soil and water), all having a positive relevance to mucormycosis. This is the first study on the presence of mucormycosis causing <i>Mucor</i> species in Kashmir environment. In this study, some pathogenicity marker tests were performed to detect the virulence of these fungal strains such as Anti-fungal susceptibility test (AST), biofilm formation and heat stress test. The in vitro antifungal susceptibility of these species showed the major zone of inhibition by Amphotericin B (Amph) and Nystatin (NS), whereas, Fluconazole (FLC) showed no activity. Biofilm was formed by both <i>Mucor</i> species which was confirmed by crystal violet assay (CV) with positive absorbance readings in microplate reader. Under heat stress, pathogenicity marker test was performed in which both species formed considerable aseptate hyphal growth and small scattered spores. During SEM (Scanning Electron Microscopy) analysis, both the species of <i>Mucor</i> were observed with intact sporangia producing several sporangiospores, whose size dimorphism is linked to its virulence. Thus, augmented knowledge of the epidemiology and clinical presentations of these <i>Mucor</i> species may prevent environmental exposure of immune-compromised patients post-COVID and improve early diagnosis and treatment.</p>","PeriodicalId":8978,"journal":{"name":"Biologia","volume":"6 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141615023","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The excito-repellent activity of five essential oils extracted from local plants against dengue and malaria vectors in Burkina Faso","authors":"Mahamoudou Balboné, Olivier Gnankine, Moussa Namountougou, Dieudonné Diloma Soma, Samuel Fogné Drabo, Rahim Romba, Imaël Henri Nestor Bassolé, Roch Kounbobr Dabiré","doi":"10.1007/s11756-024-01738-x","DOIUrl":"https://doi.org/10.1007/s11756-024-01738-x","url":null,"abstract":"<p>Using chemical insecticides remains the main way to prevent and manage dengue and malaria, two main mosquito-borne diseases. However, the vectors of these diseases have developed resistance to chemical insecticides. Essential oils (EOs) could be used as alternatives because besides their larvicidal and adulticidal properties, they have repellent properties. In Burkina Faso, studies on the repellent properties of essential oils on mosquitoes remained limited. The EOs extracted from five plants (<i>Cymbopogon citratus</i>, <i>Cymbopogon nardus</i>, <i>Eucalyptus camaldulensis, Lippia multiflora,</i> and <i>Ocimum americanum</i>) collected in Ouagadougou were tested on populations of <i>Aedes aegypti</i> and <i>Anopheles gambiae</i> s.l collected in Bobo-Dioulasso and the Kou of Valley, respectively. Susceptible strains of the two species were also tested. DEET and permethrin were used as positive controls. Most of the 5 EOs tested produced irritant effects on adults of <i>Aedes aegypti</i> and <i>Anopheles gambiae</i>. The irritant effects on mosquito adults were significantly influenced by the concentration of the EOs and species of mosquitoes. On <i>Anopheles gambiae</i> s.l, the repellent-irritant effects of <i>Cymbopogon citratus</i>, <i>Cymbopogon nardus,</i> and <i>Eucalyptus camaldulensis</i> EOs were very close to DEET. On <i>Aedes aegypti</i>, all our EOs had higher repellent-irritant effects and some of them were very close to DEET. EOs could be used as alternative repellents to pyrethroids in vector control.</p>","PeriodicalId":8978,"journal":{"name":"Biologia","volume":"7 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141613889","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Rhizobacteria associated with Parkinsonia aculeata L. under semi desertic drought and saline conditions","authors":"Ofelda Peñuelas-Rubio, Leandris Argentel-Martínez, Angélica Herrera-Sepúlveda, Ignacio Eduardo Maldonado-Mendoza, Jorge González-Aguilera, Ugur Azizoglu","doi":"10.1007/s11756-024-01731-4","DOIUrl":"https://doi.org/10.1007/s11756-024-01731-4","url":null,"abstract":"<p>Plants rhizosphere and bacterial communities’ association offer great advantages for its adaptation to adverse conditions in desert ecosystems. In the Sonoran Desert, Mexico, there is low diversity of species due to the significant incidence of high salinity, drought and extreme temperatures. However, <i>Parkinsonia aculeata</i> L. is an endemic species adapted to these adverse environmental conditions. Here, we aimed to isolate and molecularly characterize bacterial isolates associated with <i>P. aculeata</i> rhizosphere grown in saline soils (BL site) and drought (RT site). A total of thirty-three bacteria isolates from the <i>P. aculeata</i> rhizosphere were identified by 16S rDNA sequencing finding members of the genera: <i>Bacillus</i>, <i>Enterobacter</i>, <i>Priestia</i>, <i>Sinomonas, Micrococcus, Kocuria, Staphylococcus, Streptomyces, Arthrobacter</i> and <i>Peribacillus</i>. <i>Priestia</i> followed by <i>Bacillus</i> and <i>Staphylococcus</i> genus showed the major abundance percentages in both sites. The isolated strains were previously reported to exhibit plant beneficial traits, promote plant growth preserve the soil, provide an opportunity for the development of environmentally friendly alternatives for agriculture and to be used as experimental models to study drought/salt mitigation.</p>","PeriodicalId":8978,"journal":{"name":"Biologia","volume":"98 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141586986","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Composition of the whiteflies microbiome in populations with and without insecticide applications in Yucatan Mexico","authors":"Daniel Bravo-Pérez, Cecilia Hernández-Zepeda, Cristobal Chaidez-Quiroz, Daysi de la Caridad Pérez-Brito, Jean-Pierre González-Gómez, Yereni Minero-García, Gabriela Rosiles-González, Víctor Hugo Carrillo-Jovel, Oscar Alberto Moreno-Valenzuela","doi":"10.1007/s11756-024-01729-y","DOIUrl":"https://doi.org/10.1007/s11756-024-01729-y","url":null,"abstract":"<p>The whitefly <i>Bemisia tabaci</i> (Gennadius) has coevolved with intracellular endosymbiotic bacteria that help supplement their nutrient-poor diets with essential amino acids and carotenoids; however the type of host species and the agricultural practices can influence the composition of the endosymbiotic bacterial community. In this study, the main goal was to explore the diversity of endosymbiont communities in whitefly populations growing in peppers (<i>Capsicum chinense</i> Jacq. under greenhouse and <i>Capsicum annuum</i> L. backyard) exposed to chemical insecticides (treatment MB1) and non-exposed (treatment MB2). The whiteflies were identified through phylogenetic analysis of the mitochondrial Cytochrome Oxidase I gene sequences. Bacterial endosymbionts were characterized by high-throughput sequencing of the V3 region of the 16S rRNA gene, which amplifies a fragment of around 180 bp. Sequence analysis yielded in MB1 eight Phylum, nine classes, 30 orders, 35 families, 64 genera, and 20 species, while in MB2 it was obtained eight Phylum, 11 classes, 26 orders, 37 families, 61 genera, and 18 species. The most abundant phylum in the two samples analyzed was Proteobacteria followed by Chlamydiae and Bacteroidetes. The phyla that presented the greatest taxonomic diversity of bacteria at the genus level in both samples were Proteobacteria, Actinobacteria and Firmicutes. According to the evaluated alpha diversity indices, low richness and diversity were obtained in the two samples, but when comparing the two samples, MB2 showed the greatest richness and diversity with 1,698 with the Shannon index.. The results obtained are a first approximation to describe the impact of insecticides used on peppers on the diversity and richness of whitefly endosymbiotic bacteria.</p>","PeriodicalId":8978,"journal":{"name":"Biologia","volume":"25 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141587117","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Biogenic synthesis and characterization of gold nanoparticles using transformed mesophilic Escherichia coli BL21 and thermophilic Thermus thermophilus HB27","authors":"Mariana Erasmus, Oladayo Amed Idris, Adegoke Isiaka Adetunji, Errol Duncan Cason","doi":"10.1007/s11756-024-01733-2","DOIUrl":"https://doi.org/10.1007/s11756-024-01733-2","url":null,"abstract":"<p>Gold nanoparticles have numerous applications, many of which are notable in industries. The biosynthesis of gold nanoparticles offers an easy, effective, green, and eco-friendly approach. In organisms capable of synthesizing nanoparticles, enzymes and proteins are responsible for the structural and functional modifications that lead to their formation. These include ABC transporter, peptide-binding proteins, which are dependent on abiotic parameters. This study uses the purified ABC transporter, peptide-binding protein transformed from <i>Thermus scotoductus</i> SA-01 and expressed in mesophilic <i>Escherichia coli</i> BL21 and thermophilic <i>Thermus thermophilus</i> HB27 hosts for the biosynthesis of gold nanoparticles at different concentrations, temperatures, and pH values. Gold nanoparticle formation was evaluated with a range of gold (III) concentrations (0–10 mM), incubated at temperatures ranging from 30–85 ºC and pH levels from 3.6–9.0. Transmission electron microscopy (TEM), energy dispersive X-ray spectrometry (EDX), and UV–Vis absorption spectroscopy were used to characterise the formation of nanoparticles. In all of the protein reactions, UV–Vis absorbance peaks at approximately 520–560 nm confirmed the formation of gold nanoparticles. Optimum nanoparticle synthesis was observed at pH values ranging from 5.5 to 9.0, gold (III) solution (HAuCl₄) concentrations from 0.5–2.0 mM, and a maximum temperature of 65ºC in the mesophilic host and 85ºC in the thermophilic host, indicating the significance of temperature in both hosts for the expression and bioactivity of the purified ABC transporter protein. However, the biogenic formation of gold nanoparticles using <i>E. coli</i> and <i>T. thermophilus</i> hosts was not monodispersed, suggesting a necessity for further development of the procedure.</p>","PeriodicalId":8978,"journal":{"name":"Biologia","volume":"44 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141586987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The current knowledge about the distribution of Portulaca species (Portulacaceae) within the Balkan Peninsula","authors":"Mykyta Peregrym, Snežana Dragićević","doi":"10.1007/s11756-024-01724-3","DOIUrl":"https://doi.org/10.1007/s11756-024-01724-3","url":null,"abstract":"<p>This study addresses the complex taxonomy and distribution of the genus <i>Portulaca</i> L. (<i>Portulacaceae</i>) within the Balkans, focusing on the often-debated species composition and distribution patterns in the <i>P.</i> <i>oleracea</i> aggregate. Our research aims to resolve this ambiguity by addressing two key questions: 1) Which <i>Portulaca</i> taxa are present in the Balkans, and 2) What is the current distribution of these taxa here? To achieve this, we conducted literature reviews, seed collection, species identification using micromorphological characteristics, and distribution analysis. Our findings reveal the presence of four distinct species in the Balkans: <i>P. oleracea</i> agg., <i>P. grandiflora</i>, <i>P. pilosa</i> and <i>P. umbraticola</i>. Additionally, within the <i>P.</i> <i>oleracea</i> complex, twelve microspecies have been identified, primarily differentiated based on seed micromorphology. Besides, five species (<i>P. daninii</i>, <i>P. granulato-stellulata</i>, <i>P. rausii</i>, <i>P. sardoa</i>, and <i>P. trituberculata</i>) have been documented in Montenegro, and one species (<i>P.</i> <i>nitida</i>) – in Slovenia for the first time. This study provides a valuable contribution to the botanical knowledge of the Balkan Peninsula, offering the recommendations for future studies of the <i>P.</i> <i>oleracea</i> complex for the solution of the taxonomic puzzle in this aggregate.</p>","PeriodicalId":8978,"journal":{"name":"Biologia","volume":"268 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141567644","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Thirteen new species of Urucumania (Phasmatodea: Pseudophasmatidae) stick insects from Brazil and Bolivia","authors":"Victor M. Ghirotto, Edgar B. Crispino, Phillip W. Engelking, Pedro Alvaro Barbosa Aguiar Neves, Pablo Valero, Thiago Ferreira Soares, Thiago Silva-Soares, Thiago José De Souza Alves, Pedro Sisnando, Raphael A. Heleodoro, Oskar Conle, Frank Hennemann, Pedro I. Chiquetto-Machado","doi":"10.1007/s11756-024-01699-1","DOIUrl":"https://doi.org/10.1007/s11756-024-01699-1","url":null,"abstract":"<p>Stick insects (Phasmatodea) in general are remarkable for presenting striking camouflage-related adaptations. Even so, a considerable number of species are colorful and present other defense mechanisms, such as the New World lineage Pseudophasmatidae. Within this family, <i>Urucumania</i> currently comprises two described species occurring in Brazil, Bolivia and Paraguay, both of which have small scale-like wings. <i>Urucumania</i> is currently placed in Anisomorphini. However, two similar species under <i>Pseudophasma</i> present remarkable similarities with <i>Urucumania</i> species. These two species, <i>Pseudophasma nigrovittatum</i> and <i>Pseudophasma dentata</i>, are the only <i>Pseudophasma</i> presenting scale-like wings. Both inhabit Brazil, are known from a single sex and present a generally similar coloration pattern contrasting to that of <i>Urucumania</i>. Aiming to resolve whether these and other similar specimens represent distinct species, and if they belong to <i>Urucumania</i> rather than to <i>Pseudophasma</i>, we conducted a careful analysis of the external morphology of both sexes, eggs and the male genitalia. We transfer both scale-like winged <i>Pseudophasma</i> to <i>Urucumania</i>, redescribing them based on both sexes showing that the two described species are in fact distinct, and furthermore present 13 new species of <i>Urucumania</i> from Brazil and Bolivia: <i>Urucumania pirulai</i> <b>sp. n.</b>, <i>U. varellai</i> <b>sp. n.</b>, <i>U. guadanuccii</i> <b>sp. n.</b>, <i>U. atilai</i> <b>sp. n.</b>, <i>U. intervalica</i> <b>sp. n.</b>, <i>U. brasil</i> <b>sp. n.</b>, <i>U. tapirape</i> <b>sp. n.</b>, <i>U. rasocatarinensis</i> <b>sp. n.</b>, <i>U. dilatata</i> <b>sp. n.</b>, <i>U. sertaneja</i> <b>sp. n.</b>, <i>U. albopunctata</i> <b>sp. n.</b>, <i>U. oriomadeirensis</i> <b>sp. n.</b> and <i>U. candanga</i> <b>sp. n.</b></p>","PeriodicalId":8978,"journal":{"name":"Biologia","volume":"10 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141567646","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Description of a new vagrant Aceria species (Acari: Eriophyidae) on Artemisia scoparia Waldst. & Kit. (Asteraceae) in northwest Iran and a key to the world species associated with Artemisia spp.","authors":"Arash Honarmand, Parisa Lotfollahi, Zahra Hashemi–Khabir, Syamak Hanifeh, Xiao–Feng Xue","doi":"10.1007/s11756-024-01721-6","DOIUrl":"https://doi.org/10.1007/s11756-024-01721-6","url":null,"abstract":"<p>To fill the gap of eriophyoid mites in Iran, a field survey was carried out in northwest Iran (Aras dam lake, West Azerbaijan Province), in summer 2022. As a result, a new vagrant <i>Aceria</i> species (Acari: Eriophyoidea: Eriophyidae) associated with <i>Artemisia scoparia</i> Waldst. &amp; Kit. (Asteraceae) was discovered. The new species is illustrated and described herein as <i>Aceria artemiparia</i> <b>sp. n.</b> No apparent damage was observed on the host. This is the second report of an eriophyoid mite species associated to <i>A. scoparia</i> host plant. <i>Aceria artemiparia</i> <b>sp. n.</b> is unique among 24 <i>Aceria</i> spp. associated with <i>Artemisia</i> species by having a smooth prodorsal shield and 8–rayed empodium. Furthermore, we provided a checklist and morphological key of eriophyoid mites associated with <i>Artemisia</i> spp. of the world.</p>","PeriodicalId":8978,"journal":{"name":"Biologia","volume":"30 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141567647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Thermal divergence in a color polymorphic lizard inhabiting contrasting environments in central Mexico","authors":"César A. Díaz-Marín, Aurelio Ramírez-Bautista, Hibraim A. Pérez-Mendoza, Aaron García-Rosales, Christopher K. Akcali","doi":"10.1007/s11756-024-01723-4","DOIUrl":"https://doi.org/10.1007/s11756-024-01723-4","url":null,"abstract":"<p>The niche partitioning hypothesis predicts differential use of resources among morphs depending on resource dynamics and morph frequencies. Additionally, morphs might select microhabitats favorable for the regulation of body temperature through behavioral mechanisms. Intra- and intersexual social interactions among morphs can also affect patterns of niche partitioning. Here, we evaluated whether body size, thermal traits (body and environmental temperatures, and behavioral thermoregulation), microhabitat use, and perch height differ among male and female throat color morphs of the lizard <i>Sceloporus grammicus</i> in four different habitat types. Color morphs of both sexes differed in body size, thermal traits, and perch height but not microhabitat use. Lizards of grassland and xeric scrubland were larger, and had greater values of thermal traits but exhibited lower perch height than lizards of mountain cloud forest and pine-oak forest. We found clear evidence of thermal niche partitioning and partial space niche partitioning among color morphs of both sexes of <i>S. grammicus</i> in central Mexico. These results improve our knowledge of the ecology of color polymorphic vertebrate species and show that color morphs of each sex have specific trait combinations to facilitate the use of thermal resources.</p>","PeriodicalId":8978,"journal":{"name":"Biologia","volume":"38 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141567645","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}