المؤلفون: de Oliveira, Tamires Camila Talamonte^1,2 (AUTHOR) tamires_talamonte@hotmail.com, Brandão‐Dias, Pedro Ferreira Pinto² (AUTHOR), Egan, Scott Patrick² (AUTHOR), Morales‐Silva, Tiago¹ (AUTHOR), Zaldívar‐Riverón, Alejandro³ (AUTHOR), da Silva, Victor Hugo Duarte⁴ (AUTHOR), Oliveira, Gabriella Melo⁴ (AUTHOR), Faria, Lucas Del Bianco⁴ (AUTHOR)

المصدر: Ecological Entomology. Dec2023, Vol. 48 Issue 6, p669-682. 14p.

مصطلحات موضوعية: *BIOTIC communities, *NATIVE plants, *FRUIT seeds, *INSECT communities, *HERBIVORES, *INVASIVE plants, *SEED yield

مصطلحات جغرافية: BRAZIL

مستخلص: Studies have shown that fruits of plants from the Fabaceae family harbour a diverse community of herbivorous insects and their natural enemies. Despite this observation, we still lack information on the specific interactions within these multi‐trophic communities. Herein, we describe the food web of insects associated with fruits and seeds of Leucaena leucocephala (Fabaceae), an invasive plant in Brazil, and their relationship with plant traits including seed biomass.We found 17 species of insects distributed across three trophic levels. The main herbivore species sampled was Acanthoscelides macrophthalmus (Coleoptera, Chrysomelidae, Bruchinae), which was responsible for most of the seed predation and associated with the highest parasitoid biodiversity (N = 10 species). Four other herbivorous species were lower in abundance, including a previously unreported Lepidopteran species with two parasitoids and one hyperparasitoid associated with it.Seeds with more mass promoted an increase in insect abundance, insect species richness, and the number of links and connectivity. We observed two native parasitoid species, Paracrias pluteus and Stenocorse suldamericanos, shift from herbivores on native plants to herbivores on the invasive L. leucocephala, consistent with a potential host shift. However, more investigation is required to ascertain the effects of recent shifts of native insect communities (on native plants) to non‐native ones and their consequences on plant fitness. Our study contributes to the understanding of the dynamics of communities and food webs in unknown systems, specifically in fruits of an invasive plant, and provides information about the influence of different plant traits on these communities. [ABSTRACT FROM AUTHOR]

المؤلفون: Pimentel, Juliana da Silva Martins, Ludwig, Sandra, Resende, Leonardo Cardoso, Brandão‐Dias, Pedro Ferreira Pinto, Pereira, Adriana Heloísa, de Abreu, Nazaré Lúcio, Rosse, Izinara Cruz, Martins, Ana Paula Vimieiro, Facchin, Susanne, Lopes, João de Magalhães, Santos, Gilmar Bastos, Alves, Carlos Bernado Mascarenhas, Kalapothakis, Evanguedes

المساهمون: Companhia Energética de Minas Gerais, Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, Conselho Nacional de Desenvolvimento Científico e Tecnológico

المصدر: Ecology and Evolution ; volume 10, issue 19, page 10314-10324 ; ISSN 2045-7758 2045-7758

الوصف: Fish stocking programs have been implemented to mitigate the blockage of original riverbeds by the construction of hydropower dams, which affects the natural migration of fish populations. However, this method raises concerns regarding the genetic rescue of the original populations of migratory fish species. We investigated the spatial distribution of genetic properties, such as genetic diversity, population structure, and gene flow (migration), of the Neotropical migratory fish Prochilodus costatus in the Três Marias dam in the São Francisco River basin, Brazil, and examined the possible effects of fish stocking programs on P. costatus populations in this region. In total, 1,017 specimens were sampled from 12 natural sites and a fish stocking program, and genotyped for high‐throughput sequencing at 8 microsatellite loci. The populations presented low genetic variability, with evidence of inbreeding and the presence of only four genetic pools; three pools were observed throughout the study region, and the fourth was exclusive to one area in the Paraopeba River. Additionally, we identified high unidirectional gene flow between regions, and a preferred migratory route between the Pará River and the upper portion of the São Francisco River. The fish stocking program succeeded in transposing the genetic pools from downstream to upstream of the Três Marias dam, but, regrettably, promoted genetic homogenization in the upper São Francisco River basin. Moreover, the data show the fragility of this species at the genetic level. This monitoring strategy could be a model for the development of conservation and management measures for migratory fish populations that are consumed by humans.

الإتاحة: https://doi.org/10.1002/ece3.6231Test

المؤلفون: de Oliveira, Tamires Camila Talamonte, Morales‐Silva, Tiago, Brandão‐Dias, Pedro Ferreira Pinto, Egan, Scott Patrick, Zaldívar‐Riverón, Alejandro, Oliveira, Gabriella Melo, da Silva, Victor Hugo Duarte, Faria, Lucas Del Bianco

المصدر: Insect Conservation & Diversity; Sep2023, Vol. 16 Issue 5, p712-724, 13p

مصطلحات موضوعية: PLANT diversity, HOST plants, BIOTIC communities, INSECT communities, GENETIC barcoding

مصطلحات جغرافية: BRAZIL

مستخلص: We describe the diverse community of insect herbivores and parasitoids associated with the seeds and fruits of three sympatric Fabaceae species in Lavras, Minas Gerais, Brazil: Inga vera, Senna multijuga and Leucaena leucocephala.A total of 5353 individual insects, representing 77 different species, were identified via morphology and DNA barcoding. The non‐native L. leucocephala had the least diverse natural enemy community (N = 17 species), while two native species, I. vera and S. multijuga, were more diverse (N = 40 and N = 24 species, respectively).Individuals from the insect order Hymenoptera, a group dominated by parasitoid wasps, were the most diverse recovered from our samples in all hosts. Additionally, individual herbivore and parasitoid species were more likely to be found on a single host, with only four out of the 77 species found in more than one plant species.This includes the generalist agricultural pest herbivore, Lasioderma serricorne, found in two species, and three parasitoids connecting native S. multijuga and non‐native L. leucocephala communities, hinting at recent host shifts.Furthermore, different host plant traits had complex effects on the herbivore and parasitoid communities, where seed number per fruit promoted a propagating effect on the abundance and richness at both higher trophic levels, whereas seed and fruit weight did not.We highlight the importance of including parasitoids in insect community studies because they are highly diverse and provide important ecosystem services. Additional study of the biology, behaviour and distributions of parasitoids would be advantageous to inform conservation and biological control. [ABSTRACT FROM AUTHOR]

: Copyright of Insect Conservation & Diversity is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

المؤلفون: Pimenta, Ricardo José Gonzaga, Brandão-Dias, Pedro Ferreira Pinto, Leal, Hortênsia Gomes, Carmo, Anderson Oliveira do, Oliveira-Mendes, Bárbara Bruna Ribeiro de, Chávez-Olórtegui, Carlos, Kalapothakis, Evanguedes

المساهمون: Ho, Paulo Lee, Conselho Nacional de Desenvolvimento Científico e Tecnológico, Fundação de Amparo à Pesquisa do Estado de Minas Gerais, Coordenação de Aperfeiçoamento de Pessoal de Nível Superior

المصدر: PLOS ONE ; volume 14, issue 4, page e0214075 ; ISSN 1932-6203

الإتاحة: https://doi.org/10.1371/journal.pone.0214075Test

المؤلفون: Oliveira-Mendes, Bárbara Bruna Ribeiro de, Horta, Carolina Campolina Rebello, do Carmo, Anderson Oliveira, Biscoto, Gabriela Lago, Sales-Medina, Douglas Ferreira, Leal, Hortênsia Gomes, Brandão-Dias, Pedro Ferreira Pinto, Miranda, Sued Eustáquio Mendes, Aguiar, Carla Jeane, Cardoso, Valbert Nascimento, de Barros, André Luis Branco, Chávez-Olortégui, Carlos, Leite, M. Fátima, Kalapothakis, Evanguedes

المصدر: Scientific Reports ; volume 8, issue 1 ; ISSN 2045-2322

مصطلحات موضوعية: Multidisciplinary

الوصف: Scorpion sting envenoming impacts millions of people worldwide, with cardiac effects being one of the main causes of death on victims. Here we describe the first Ca 2+ channel toxin present in Tityus serrulatus ( Ts ) venom, a cell penetrating peptide (CPP) named CPP-Ts. We show that CPP-Ts increases intracellular Ca 2+ release through the activation of nuclear InsP3R of cardiomyocytes, thereby causing an increase in the contraction frequency of these cells. Besides proposing a novel subfamily of Ca 2+ active toxins, we investigated its potential use as a drug delivery system targeting cancer cell nucleus using CPP-Ts’s nuclear-targeting property. To this end, we prepared a synthetic CPP-Ts sub peptide 14–39 lacking pharmacological activity which was directed to the nucleus of specific cancer cell lines. This research identifies a novel subfamily of Ca 2+ active toxins and provides new insights into biotechnological applications of animal venoms.

الإتاحة: https://doi.org/10.1038/s41598-018-33133-3Test
https://www.nature.com/articles/s41598-018-33133-3.pdfTest
https://www.nature.com/articles/s41598-018-33133-3Test

المؤلفون: Silva, Martinho de Almeida E., Costa, Guilherme M.J., Lacerda, Samyra Maria Santos N.Nassif, Brandão-Dias, Pedro Ferreira Pinto, Kalapothakis, Evanguedes, Silva Júnior, Alaion Fonseca da, Alvarenga, Érika Ramos de, França, Luiz Renato de

مصطلحات موضوعية: Allotransplantation, Aquaculture, Blastula, Catfish, Cell Viability, Controlled Study, Developmental Stage, Embryo, Endangered Species, Fertilization In Vitro, Gametogenesis, Genetic Analysis, Genetic Marker, Genetic Trait, Germ Cell, Germ Cell Transplantation, Germplasm, Heredity, Laboratory Test, Larva, Male, Nonhuman, Oreochromis Niloticus, Phylogeny, Priority Journal, Progeny, Recipient, Rhamdia Quelen, Seminiferous Tubule, Somatic Cell

الوصف: Fish germ cell transplantation presents several important potential applications for aquaculture, including the preservation of germplasm from endangered fish species with high genetic and commercial values. Using this technique in studies developed in our laboratory with adult male Nile tilapias (Oreochromis niloticus), all the necessary procedures were successfully established, allowing the production of functional sperm and healthy progeny approximately 2 months after allogeneic transplantation. In the present study, we evaluated the viability of the adult Nile tilapia testis to generate sperm after xenogeneic transplant of germ cells from sexually mature Jundia catfish (Rhamdia quelen) that belong to a different taxonomic order. Therefore, in order to investigate at different time-periods post-transplantation, the presence and development of donor PKH26 labeled catfish germ cells were followed in the tilapia seminiferous tubules. From 7 to 20 days post-transplantation, only PKH26 labeled spermatogonia were observed, whereas spermatocytes at different stages of development were found at 70 days. Germ cell transplantation success and progression of spermatogenesis were indicated by the presence of labeled PKH26 spermatids and sperm on days 90 and 120 post-transplantation, respectively. Confirming the presence of the catfish genetic material in the tilapia testis, all recipient tilapias evaluated (n = 8) showed the genetic markers evaluated. Therefore, we demonstrated for the first time that the adult Nile tilapia testis offers the functional conditions for development of spermatogenesis with sperm production from a fish species belonging to a different order, which provides an important new venue for aquaculture advancement. © 2016 Elsevier Inc.

وصف الملف: application/pdf

العلاقة: Volume 230-231, Pags. 48-56; https://repositorio.inpa.gov.br/handle/1/15816Test

الإتاحة: https://doi.org/10.1016/j.ygcen.2016.03.012Test
https://repositorio.inpa.gov.br/handle/1/15816Test

المؤلفون: Chagas, Aline Torres de Azevedo, Carmo, Anderson Oliveira, Costa, Maísa Aparecida, Resende, Leonardo Cardoso, Brandão Dias, Pedro Ferreira Pinto, Martins, Ana Paula Vimieiro, Kalapothakis, Evanguedes

المصدر: Mitochondrial DNA Part A ; volume 27, issue 4, page 2852-2853 ; ISSN 2470-1394 2470-1408

الإتاحة: https://doi.org/10.3109/19401736.2015.1053125Test

المؤلفون: Brandão-Dias, Pedro Ferreira Pinto, Carmo, Anderson Oliveira do, Martins, Ana Paula Vimieiro, Pimenta, Ricardo José Gonzaga, Alves, Carlos Bernardo Mascarenhas, Kalapothakis, Evanguedes

المصدر: Mitochondrial DNA Part A ; volume 27, issue 3, page 1577-1578 ; ISSN 2470-1394 2470-1408

الإتاحة: https://doi.org/10.3109/19401736.2014.958676Test

المؤلفون: do Carmo, Anderson Oliveira, Brandão Dias, Pedro Ferreira Pinto, Martins, Ana Paula Vimieiro, Bedore, Alessandra Gomes, Kalapothakis, Evanguedes

المصدر: Mitochondrial DNA Part A ; volume 27, issue 3, page 1946-1947 ; ISSN 2470-1394 2470-1408

الإتاحة: https://doi.org/10.3109/19401736.2014.971300Test

المؤلفون: Chagas, Aline Torres de Azevedo, Carmo, Anderson Oliveira, Costa, Maísa Aparecida, Resende, Leonardo Cardoso, Brandão Dias, Pedro Ferreira Pinto, Martins, Ana Paula Vimieiro, Kalapothakis, Evanguedes

المصدر: Mitochondrial DNA. Part A; Jul2016, Vol. 27 Issue 4, p2852-2853, 2p, 1 Diagram

مصطلحات موضوعية: PROCHILODUS, FRESHWATER fishes, FISHES, MITOCHONDRIAL DNA, NUCLEOTIDE sequencing, FISH genetics, GENETIC markers

مستخلص: Prochilodusspp. are important Brazilian freshwater migratory fishes with substantial economic and ecological importance.Prochilodus argenteusandProchilodus costatusare morphologically similar and a molecular species delimitation is impaired due to high degree of sequence identity among the available genetic markers. Here, the complete mitochondrial genome ofP. argenteusandP. costatusand their comparison to the mitogenome ofP. lineatusare described. The three species displayed a similar mtDNA annotation. A phylogenetic analysis was performed with other Characiformes species. The genusProchiloduswas recovered as a monophyletic group, as well as the family Prochilodontidae, both with high bootstrap probability. [ABSTRACT FROM AUTHOR]

: Copyright of Mitochondrial DNA. Part A is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)