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| http://dx.doi.org/10.1534/genetics.116.199638 | DOI Listing |
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Comparative Analysis of Active LTR Retrotransposons in Sunflower ( L.): From Extrachromosomal Circular DNA Detection to Protein Structure Prediction.
Int J Mol Sci
December 2024
All-Russia Research Institute of Agricultural Biotechnology, Timiryazevskaya Str. 42, 127550 Moscow, Russia.
Plant genomes possess numerous transposable element (TE) insertions that have occurred during evolution. Most TEs are silenced or diverged; therefore, they lose their ability to encode proteins and are transposed in the genome. Knowledge of active plant TEs and TE-encoded proteins essential for transposition and evasion of plant cell transposon silencing mechanisms remains limited.
View Article and Find Full Text PDFEmbracing native diversity to enhance the maximum quantum efficiency of photosystem II in maize.
Plant Physiol
December 2024
Plant Breeding, TUM School of Life Sciences, Technical University of Munich, Freising 85354, Germany.
The sustainability of maize cultivation would benefit tremendously from early sowing, but is hampered by low temperatures during early development in temperate climates. We show that allelic variation within the gene encoding subunit M of the NADH-dehydrogenase-like (NDH) complex (ndhm1) in a European maize landrace affects several quantitative traits that are relevant during early development in cold climates through NDH-mediated cyclic electron transport around photosystem I, a process crucial for photosynthesis and photoprotection. Beginning with a genome-wide association study for maximum potential quantum yield of photosystem II in dark-adapted leaves (Fv/Fm), we capitalized on the large phenotypic effects of a hAT transposon insertion in ndhm1 on multiple quantitative traits (early plant height [EPH], Fv/Fm, chlorophyll content, and cold tolerance) caused by the reduced protein levels of NDHM and associated NDH components.
View Article and Find Full Text PDFMCHelper automatically curates transposable element libraries across eukaryotic species.
Genome Res
December 2024
Institute of Evolutionary Biology, CSIC, UPF, 08003 Barcelona, Spain;
The number of species with high-quality genome sequences continues to increase, in part due to the scaling up of multiple large-scale biodiversity sequencing projects. While the need to annotate genic sequences in these genomes is widely acknowledged, the parallel need to annotate transposable element (TE) sequences that have been shown to alter genome architecture, rewire gene regulatory networks, and contribute to the evolution of host traits is becoming ever more evident. However, accurate genome-wide annotation of TE sequences is still technically challenging.
View Article and Find Full Text PDFVirulence perspective genomic research unlocks the secrets of associated with banded sheath blight in Barnyard Millet ().
Front Plant Sci
October 2024
Department of Plant Biotechnology, University of Agricultural Sciences, Bengaluru, Karnataka, India.
Introduction: Banded sheath blight (Bsb) disease, caused by , is an emerging problem in barnyard millet cultivation. One of the significant goals of pathogenomic research is to identify genes responsible for pathogenicity in the fungus.
Methods: A virulence profiling-based approach was employed and six isolates were collected from various ecological zones of India.
ZmKTF1 promotes salt tolerance by mediating RNA-directed DNA methylation in maize.
New Phytol
January 2025
Key Laboratory of Seed Innovation, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China.
The epigenetic process of RNA-directed DNA methylation (RdDM) regulates the expression of genes and transposons. However, little is known about the involvement of RdDM in the response of maize (Zea mays) to salt stress. Here, we isolated a salt-sensitive maize mutant and cloned the underlying gene, which encodes KOW DOMAIN-CONTAINING TRANSCRIPTION FACTOR1 (KTF1), an essential component of the RdDM pathway.
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