Results 1 to 10 of about 93,372 (292)

Simultaneous quantification of rDNA methylation and copy number: Constraints to natural variation in humans and cell lines. [PDF]

PLoS ONE
Ribosomal DNA (rDNA) copy number (CN) varies widely both across and within species. In humans, it has been hypothesized that rDNA transcriptional activity is partially regulated by rDNA methylation status.
Stephen Flint Smith, Bernardo Lemos
doaj   +2 more sources

CYTOGENETIC STUDY IN SAND SPIDERS (SICARIIDAE) FROM THE BRAZILIAN CAATINGA: SEX CHROMOSOME SYSTEM DIVERSITY IN CLOSELY RELATED SPECIES [PDF]

BAG. Journal of Basic and Applied Genetics, 2022
In this study, we investigated the chromosomes of three species of Sicarius spiders from the Brazilian Caatinga, using classical and molecular cytogenetic techniques.
Gimenez-Pinheiro T., Carvalho L.S., Brescovit A.D., Magalhaes I.L.F., Schneider M.C.   +4 more
doaj   +1 more source

First Report of Root-knot Nematode, Meloidogyne graminicola on Brassica juncea in China

Journal of Nematology, 2022
In southern China, the staple food rice (Oryza sativa) field is commonly rotated with brown mustard Brassica juncea. Root-knot nematodes (RKNs) are a major threat to rice production. From 2019 to 2021, B.
Lu X. H., Solangi G. S., Huang J. L., Qin L. P., Liu Z. M.   +4 more
doaj   +1 more source

Presence of the yeast Kodamaea ohmeri associated with Aethina tumida (Coleoptera: Nitidulidae) collected in Africanized honey bee colonies from two apiaries of Yucatan, Mexico

Revista Mexicana de Ciencias Pecuarias, 2020
Aethina tumida (Coleoptera: Nitidulidae), commonly known as the Small Hive Beetle (SHB), is becoming a significant pest in the beekeeping industry outside of its natural distribution range.
Azucena Canto, Luis A. Medina-Medina, Elisa Chan, Rosalina Rodríguez   +3 more
doaj   +1 more source

Morphological and Molecular note on the identity of Mylonchulus sigmaturus Cobb, 1917 (Nematoda: Mylonchulidae) from Pakistan

Helminthologia, 2023
A species of predatory nematode, Mylonchulus sigmaturus Cobb, 1917, was recovered around the soil and roots of banana plants (Musa paradisiaca) from four different localities of Pakistan.
Ishaque U., Shokoohi E., Erum I., Kazi N., Dawar S.   +4 more
doaj   +1 more source

Fungal microbiome of barley grain revealed by NGS and mycological analysis [PDF]

Foods and Raw Materials, 2020
Introduction. Barley can be infected with a broad variety of fungi, which can cause considerable loss of crop yield and reduce the quality of grain. Modern vision on the geographical and ecological distribution and biodiversity of micromycetes has been ...
Kazartsev Igor A. , Gagkaeva Tatiana Yu. , Gavrilova Olga P. , Gannibal Philipp B.   +3 more
doaj   +1 more source

Studies on the Rapid and Simple DNA Extraction Method, Antibacterial Activity and Enzyme Activity Involved in Plant Biomass Conversion by Cookeina sulcipes and C. tricholoma (Cup Fungi)

Journal of Pure and Applied Microbiology, 2022
Cookeina sulcipes and C. tricholoma are a cup fungi (Ascomycota) collected in Saraburi, Thailand. The fungi have been isolated, cultured and confirmed as respective species. For morphology, both Cookeina sp.
Narumon Tangthirasunun, Supattra Poeaim
doaj   +1 more source

Molecular phylogeny of Psychodopygina (Diptera, Psychodidae) supporting morphological systematics of this group of vectors of New World tegumentary leishmaniasis

Parasite, 2023
New World sandflies are vectors of leishmaniasis, bartonellosis, and some arboviruses. A classification based on 88 morphological characters was proposed 27 years ago when the New World phlebotomines were organized into two tribes Hertigiini and ...
Zapata Sonia, Galati Eunice A.B., Chaves Jaime A., Artigas Patricio, Gantier Jean-Charles, Bargues Maria Dolores, Mas-Coma Santiago, Depaquit Jérôme   +7 more
doaj   +1 more source

First detection of Leishmania of the subgenus viannia in Alipiopsitta xanthops, endemic bird of South America

Bioscience Journal, 2021
We report the first molecular detection of Leishmania infection (subgenus Viannia) in the yellow-faced parrot (Alipiopsitta xanthops), at a wildlife rehabilitation center located in the city of Campo Grande, Brazil, an endemic area for leishmaniasis ...
Larissa Maria Dávalo Matheus, Eduardo de Castro Ferreira, Pâmella Oliveira Duarte   +2 more
doaj   +1 more source

Heterochromatin heteromorphism in Holhymenia rubiginosa (Heteroptera: Coreidae)

European Journal of Entomology, 2008
Heterochromatin is one of the most dynamic components in the genome of species. Previous studies on the heterochromatin content and distribution in Heteroptera (insects with holokinetic chromosomes) have shown that the species belonging to the family ...
María José BRESSA, María José FRANCO, María Ayelén TOSCANI, Alba GRACIELA PAPESCHI   +3 more
doaj   +1 more source