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Completely conserved VP2 residue K140 of KREMEN1-dependent enteroviruses is critical for virus-receptor interactions and viral infection.
mBio
January 2025
Shanghai Institute of Infectious Disease and Biosecurity, Fudan University, Shanghai, China.
Unlabelled: The KREMEN1 (KRM1) protein is a cellular receptor for multiple enteroviruses that cause hand, foot, and mouth disease (HFMD), including coxsackievirus CVA2, CVA3, CVA4, CVA5, CVA6, CVA10, and CVA12. The molecular basis for the broad recognition of these viruses by the KRM1 receptor remains unclear. Here, we report the indispensable role of the completely conserved VP2 capsid protein residue K140 (designated K2140) in mediating receptor recognition and infection by CVA10 and other KRM1-dependent enteroviruses.
View Article and Find Full Text PDFEvolution and spread of subsp. in the São Paulo, Brazil, citrus belt inferred from 758 novel genomes.
Microb Genom
January 2025
Departamento de Bioqumica, Instituto de Qumica, Universidade de So Paulo, So Paulo, SP, Brazil.
The São Paulo state citrus belt in Brazil is a major citrus production region. Since at least 1957, citrus plantations in this region have been affected by citrus canker, an economically damaging disease caused by subsp. ().
View Article and Find Full Text PDFUnveiling the role of microRNAs in nonhost resistance to Sclerotinia sclerotiorum: Rice-specific microRNAs attack the pathogen via cross-kingdom RNAi.
J Integr Plant Biol
January 2025
Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City & Southwest University, College of Agronomy and Biotechnology, Southwest University, Chongqing, 400715, China.
The development of rapeseed with high resistance against the pathogen Sclerotinia sclerotiorum is impeded by the lack of effective resistance resources within host species. Unraveling the molecular basis of nonhost resistance (NHR) holds substantial value for resistance improvement in crops. In the present study, small RNA sequencing and transcriptome sequencing were carried out between rice (a nonhost species of S.
View Article and Find Full Text PDFIsoleucine at position 137 of Hemagglutinin acts as a Mammalian adaptation marker of H9N2 Avian influenza virus.
Emerg Microbes Infect
January 2025
Key Laboratory of Livestock Infectious Diseases, Ministry of Education, Key Laboratory of Zoonosis, College of Animal Science and Veterinary Medicine, Liaoning Panjin Wetland Ecosystem National Observation and Research Station, Shenyang Agricultural University, Shenyang, People's Republic of China.
The H9N2 subtype of avian influenza virus (AIV) is widely distributed among poultry and wild birds and is also a threat to humans. During AIV active surveillance in Liaoning province from 2015 to 2016, we identified ten H9N2 strains exhibiting different lethality to chick embryos. Two representative strains, A/chicken/China/LN07/2016 (CKLN/07) and A/chicken/China/LN17/2016 (CKLN/17), with similar genomic background but different chick embryo lethality, were chosen to evaluate the molecular basis for this difference.
View Article and Find Full Text PDFModulation of the sex pheromone detection by nutritional and hormonal signals in a male insect.
J Exp Biol
January 2025
Sorbonne Université, Université Paris-Est Créteil, INRAE, CNRS, IRD, Institute for Ecology and Environmental Sciences of Paris, iEES Paris, F-75005, Paris, France.
As in other animals, insects can modulate their odor-guided behaviors, especially sexual behavior, according to environmental and physiological factors such as the individual's nutritional state. This behavioral flexibility results from modifications of the olfactory pathways under the control of hormones. Most studies have focused on the central modulation of the olfactory system and less attention has been paid to the peripheral olfactory system.
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