Sequence variability of the ITS spacers and 5.8S rRNA gene was examined in 11 accessions of the subfamily Scilloideae, including seven accessions of rare and endangered species Bellevalia sarmatica from Volgograd region. The intraspecific polymorphism level of the examined ITS1–5.8S–ITS2 sequence of B. sarmatica accessions constituted 1.3%. The phylogenetic position of B. sarmatica within the genus Bellevalia was determined. It was demonstrated that B. sarmatica belonged to the section Nutantes, and the most closely related species were B. webbiana and B. dubia. Nucleotide substitutions in the 5.8S rRNA gene sequence of the analyzed Scilloideae accessions were identified and studied. The predicted secondary structure of 5.8S rRNA gene was constructed. It was demonstrated that in the examined accessions, mutations in the 5.8S rRNA gene were mainly localized in the third hairpin region and had no effect on the secondary structure of the 5.8S rRNA molecule.

Download full-text PDF

Source

Publication Analysis

Top Keywords

58s rrna
24
rrna gene
20
secondary structure
12
structure 58s
12
species bellevalia
8
bellevalia sarmatica
8
examined accessions
8
58s
6
rrna
6
gene
5

Similar Publications

Black-carrot drink şalgam as a habitat for spoilage yeasts.

Fungal Biol

December 2024

Department of Food Engineering, Faculty of Engineering, Çukurova University, Adana, Turkey. Electronic address:

Şalgam is a traditional drink produced via the lactic-acid fermentation of vegetables (black carrot and turnip), sourdough, and bulgur flour; with rock salt also added. During storage, an additional yeast-mediated fermentation can occur, causing changes in organoleptic properties, as evidenced by the microbe-mediated release of gases. Here, we characterise şalgam as a microbial habitat, identify the yeasts that cause spoilage, and characterise yeast-induced changes of the şalgam.

View Article and Find Full Text PDF

Cutaneous leishmaniasis caused by different species of Leishmania is transmitted by Phlebotominae sandflies. This disease remains a public health concern in Iran. Therefore, the present study aimed to examine Leishmania infection in sandflies and reservoir rodents in six rural regions of Nahavand, located in western Iran.

View Article and Find Full Text PDF

Ribosomal DNA copy number is associated with body mass in humans and other mammals.

Nat Commun

June 2024

Department of Medical and Molecular Genetics, School of Basic and Medical Biosciences, King's College London, London, UK.

Body mass results from a complex interplay between genetics and environment. Previous studies of the genetic contribution to body mass have excluded repetitive regions due to the technical limitations of platforms used for population scale studies. Here we apply genome-wide approaches, identifying an association between adult body mass and the copy number (CN) of 47S-ribosomal DNA (rDNA).

View Article and Find Full Text PDF

Four yeast isolates were obtained from rotting wood and galleries of passalid beetles collected in different sites of the Brazilian Amazonian Rainforest in Brazil. This yeast produces unconjugated allantoid asci each with a single elongated ascospore with curved ends. Sequence analysis of the internal transcribed spacer-5.

View Article and Find Full Text PDF

First Report of Causing Root Rot of in Yunnan province of China.

Plant Dis

February 2024

Yunnan Agricultural University, 12616, State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Kunming, Yunnan, China.

Article Synopsis
  • Bletilla striata, a medicinal orchid in China, is used to treat various health issues by reducing blood flow, swelling, and promoting healing.
  • In June 2022 and May 2023, a root rot disease affected B. striata in Yunnan Province, with incidence rates of 16% and 17%, leading to wilting and browning of leaves and roots.
  • Researchers isolated the pathogen responsible for the root rot from symptomatic plants, obtaining 10 similar fungi isolates, with one representative strain (BJG6) selected for further studies based on its distinctive colony characteristics.
View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!