An international conference on Transposable Elements (TEs) was held 21-24 April 2012 in Saint Malo, France. Organized by the French Transposition Community (GDR Elements Génétiques Mobiles et Génomes, CNRS) and the French Society of Genetics (SFG), the conference's goal was to bring together researchers from around the world who study transposition in diverse organisms using multiple experimental approaches. The meeting drew more than 217 attendees and most contributed through poster presentations (117), invited talks and short talks selected from poster abstracts (48 in total). The talks were organized into four scientific sessions, focused on: impact of TEs on genomes, control of transposition, evolution of TEs and mechanisms of transposition. Here, we present highlights from the talks given during the platform sessions. The conference was sponsored by Alliance pour les sciences de la vie et de la santé (Aviesan), Centre national de la recherche scientifique (CNRS), Institut national de la santé et de la recherche médicale (INSERM), Institut de recherche pour le développement (IRD), Institut national de la recherche agronomique (INRA), Université de Perpignan, Université de Rennes 1, Région Bretagne and Mobile DNA. CHAIR OF THE ORGANIZATION COMMITTEE: Jean-Marc Deragon ORGANIZERS: Abdelkader Ainouche, Mireille Bétermier, Mick Chandler, Richard Cordaux, Gaël Cristofari, Jean-Marc Deragon, Pascale Lesage, Didier Mazel, Olivier Panaud, Hadi Quesneville, Chantal Vaury, Cristina Vieira and Clémentine Vitte.
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http://dx.doi.org/10.1186/1759-8753-3-17 | DOI Listing |
Plant Commun
December 2024
Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops of the Ministry of Agriculture, Sino-Dutch Joint Laboratory of Horticultural Genomics, Beijing, China. Electronic address:
The Solanaceae family contains many agriculturally important crops, including tomato, potato, pepper, and tobacco, as well as others with growing potential, such as the orphan crops groundcherry, wolfberry, and pepino. Research progress varies greatly among these species, with model crops like tomato far ahead, which limits the broader agricultural application of other solanaceous species. Here, we constructed the interspecies pan-genome for the Solanaceae family and identified distinct patterns of gene retention.
View Article and Find Full Text PDFG3 (Bethesda)
December 2024
Departamento de Genética e Biologia Evolutiva, Instituto de Biociências, Universidade de São Paulo, Rua do Matão, 277, CEP 05508-090, São Paulo, SP, Brazil.
Tetrapedia diversipes is a Neotropical solitary bee commonly found in trap-nests, known for its morphological adaptations for floral oil collection and prepupal diapause during the cold and dry season. Here, we present the genome assembly of T. diversipes (332 Mbp), comprising 2,575 scaffolds, with 15,028 predicted protein-coding genes.
View Article and Find Full Text PDFFront Cell Dev Biol
December 2024
Department of Biochemistry, Memorial University of Newfoundland, St. John's, NL, Canada.
PIWI-interacting RNAs (piRNAs) are small non-coding RNAs that bind to the PIWI subclass of the Argonaute protein family and are essential for maintaining germline integrity. Initially discovered in , PIWI proteins safeguard piRNAs, forming ribonucleoprotein (RNP) complexes, crucial for regulating gene expression and genome stability, by suppressing transposable elements (TEs). Recent insights revealed that piRNAs and PIWI proteins, known for their roles in germline maintenance, significantly influence mRNA stability, translation and retrotransposon silencing in both stem cells and bodily tissues.
View Article and Find Full Text PDFBMC Genomics
December 2024
Grapevine Improvement, Bragato Research Institute, Lincoln, New Zealand.
Nanopore sequencing enables detection of DNA methylation at the same time as identification of canonical sequence. A recent study validated low-pass nanopore sequencing to accurately estimate global methylation levels in vertebrates with sequencing coverage as low as 0.01x.
View Article and Find Full Text PDFGenome Biol Evol
December 2024
Department of Bioinformatics and Genomics, UNC-Charlotte, Charlotte, NC USA.
Transposable elements (TEs) can make up more than 50% of any given vertebrate's genome, with substantial variability in TE composition among lineages. TE variation is often linked to changes in gene regulation, genome size, and speciation. However, the role that genome duplication events have played in generating abrupt shifts in the composition of the mobilome over macroevolutionary timescales remains unclear.
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