Publications by authors named "M K Radhakrishnan"

Article Synopsis
  • A bioactive yellow-red pigment from *Streptomyces kunmingensis* was isolated and characterized, showing strong anti-infective properties against MRSA and Mycobacterium tuberculosis.
  • The pigment, a chromopeptide with a specific chemical formula, was identified using various spectral analyses and exhibited antibacterial effects against Staphylococcus aureus as well as antiproliferative effects on 14 human cancer cell lines.
  • Additionally, it demonstrated effective wound-healing properties in a rat model, highlighting its potential for antimicrobial, wound-healing, and anticancer applications.
View Article and Find Full Text PDF

Cerebral ischemic stroke ranks among the leading causes of death and disability worldwide. A significant challenge, beyond the lack of effective therapies, is the frequent oversight of sex as a vital factor in stroke research. This study focuses on elucidating the sex-specific epigenetic mechanisms that contribute to neural damage and recovery in cerebral ischemia.

View Article and Find Full Text PDF

Background: Autism Spectrum Disorder (ASD) is a condition with social interaction, communication, and behavioral difficulties. Diagnostic methods mostly rely on subjective evaluations and can lack objectivity. In this research Machine learning (ML) and deep learning (DL) techniques are used to enhance ASD classification.

View Article and Find Full Text PDF

Skin lesion classification is vital for the early detection and diagnosis of skin diseases, facilitating timely intervention and treatment. However, existing classification methods face challenges in managing complex information and long-range dependencies in dermoscopic images. Therefore, this research aims to enhance the feature representation by incorporating local, global, and hierarchical features to improve the performance of skin lesion classification.

View Article and Find Full Text PDF

Mo K-edge X-ray absorption spectroscopy (XAS) is used to probe the structure of wild-type nitrate reductase NapA and the C176A variant. The results of extended X-ray absorption fine structure (EXAFS) experiments on NapA support an oxidized Mo(VI) hexacoordinate active site coordinated by a single terminal oxo donor, four sulfur atoms from two separate pyranopterin dithiolene ligands, and an additional S atom from a conserved cysteine amino acid residue. We found no evidence of a terminal sulfido ligand in NapA.

View Article and Find Full Text PDF