Pesticide Biochemistry and Physiology, Journal Year: 2024, Volume and Issue: 202, P. 105937 - 105937
Published: April 30, 2024
Language: Английский
Insects, Journal Year: 2025, Volume and Issue: 16(5), P. 463 - 463
Published: April 28, 2025
RNA methylation, characterized by modifications such as N6-methyladenosine, 5-methylcytosine, and N1-methyladenosine plays a crucial role in post-transcriptional gene regulation across diverse biological systems. While research on methylation has predominantly focused mammals, particularly its roles epigenetic cancer biology, recent studies insects have begun to explore their extensive functions insect physiology. This review examines the mechanisms which regulates growth, development, reproduction, environmental adaptation, immune response insects, providing insights into characteristics of these organisms without prematurely speculating pest control strategies. It aims offer valuable biology resistance.
Language: Английский
Citations
0
Insect Molecular Biology, Journal Year: 2024, Volume and Issue: 33(5), P. 534 - 549
Published: June 26, 2024
Abstract Epigenetic mechanisms, such as DNA methylation, have been proposed to mediate plastic responses in insects. The pea aphid ( Acyrthosiphon pisum ), like the majority of extant aphids, displays cyclical parthenogenesis ‐ ability mothers switch reproductive mode their offspring from reproducing parthenogenetically sexually response environmental cues. genome encodes two paralogs de novo methyltransferase gene, dnmt3a and dnmt3x . Here we show, using phylogenetic analysis, that this gene duplication event occurred at least 150 million years ago, likely after divergence lineage leading Aphidomorpha (phylloxerans, adelgids true aphids) scale insects (Coccomorpha) are maintained genomes all aphids examined. We also show mRNA both dnmt3 is maternally expressed viviparous ovary. During development germ cells embryos beginning stage 5 persisting throughout development. Treatment with 5‐azactyidine, a chemical generally inhibits methylation machinery, leads defects oocytes early‐stage causes proportion later be born dead or die soon birth. These phenotypes suggest role for methyltransferases reproduction, consistent seen other Taking vast evolutionary history paralogs, localisation mRNAs ovary, there and/or early development, machinery reproduction aphid.
Language: Английский
Citations
1
Insect Molecular Biology, Journal Year: 2024, Volume and Issue: 33(5), P. 429 - 431
Published: July 18, 2024
Language: Английский
Citations
1
Research Square (Research Square), Journal Year: 2024, Volume and Issue: unknown
Published: Feb. 27, 2024
Abstract Epigenetic patterns including DNA methylation are known to vary between distantly related species, but it is not clear how these differ at an intraspecific level. The sweetpotato whitefly, Bemisia tabaci (Gennadius) (Aleyrodidae; Hemiptera), encompasses several cryptic species. These species possess highly similar genomes exhibit substantial biological and physiological differences. B. invasive, polyphagous, transmit array of plant infecting single stranded viruses (ssDNA) –begomoviruses. In this study, around genes genomic features two prominent were investigated following acquisition a monopartite ssDNA virus –tomato yellow curl virus. included: B (also as Middle East Asia Minor 1) Q Mediterranean). Genomic features, such promoters, gene bodies, transposable elements assessed for levels in both Differentially methylated regions within predominantly unique identified respectively. All differentially differential expression alternative splicing events with without acquisition. expressed further grouped into hyper- hypomethylated clusters. clusters included implications virus-vector interactions immune functions xenobiotics’ detoxification. observed pattern differences each could, part, explain some the them.
Language: Английский
Citations
0
bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2024, Volume and Issue: unknown
Published: July 30, 2024
ABSTRACT The whitefly, Bemisia tabaci , is a hemipteran with haplodiploid sex determination system, which provides natural experiment for examining genome function in haploid and diploid embryos. Yet the embryogenesis of B. remains understudied. Our previous work has established possible role DNA methyltransferase 1 ( Dnmt1 ) stability. In this study we used maternal RNA interference (RNAi) immunohistochemistry to complex dynamics between DNMT1 ploidy during embryogenesis. We found that both have similar developmental timeline other holometabolous insects. also that, like obligatory insects, does not affect timing, suggesting factors play greater than timing. For embryos reduced expression loss disrupts blastoderm development affects nuclei morphology results suggest required development.
Language: Английский
Citations
0
npj Viruses, Journal Year: 2024, Volume and Issue: 2(1)
Published: Aug. 12, 2024
Abstract Epigenetic patterns including DNA methylation are known to vary between distantly related species, but it is not clear how these differ at an intraspecific level. The sweetpotato whitefly, Bemisia tabaci (Gennadius) (Aleyrodidae; Hemiptera), encompasses several cryptic species. These species possess highly similar genomes exhibit substantial biological and physiological differences. B. invasive, polyphagous, transmit array of plant infecting single stranded viruses (ssDNA) –begomoviruses. In this study, around genes genomic features two prominent were investigated following acquisition a monopartite ssDNA virus –tomato yellow curl virus. included: B (also as Middle East Asia Minor 1) Q Mediterranean). Genomic features, such promoters, gene bodies, transposable elements assessed for levels in both Despite overall trends, showed differences features. Virus induced differentially methylated regions associated with predominantly distinct All differential expression alternative splicing events without acquisition. found have negative correlation expressed further grouped into hyper- hypomethylated clusters. clusters included implications virus-vector interactions immune functions xenobiotics’ detoxification. observed pattern within each could, part, explain some the them.
Language: Английский
Citations
0
Pesticide Biochemistry and Physiology, Journal Year: 2024, Volume and Issue: 202, P. 105937 - 105937
Published: April 30, 2024
Language: Английский
Citations
0