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4 results on '"H.B. Mahesh"'

1. Genome analysis of rice-blast fungus Magnaporthe oryzae field isolates from southern India

Author

Malali Gowda, Meghana D. Shirke, H.B. Mahesh, Pinal Chandarana, Anantharamanan Rajamani, and Bharat B. Chattoo

Subjects
Genetics, QH426-470
Abstract

The Indian subcontinent is the center of origin and diversity for rice (Oryza sativa L.). The O. sativa ssp. indica is a major food crop grown in India, which occupies the first and second position in area and production, respectively. Blast disease caused by Magnaporthe oryzae is a major constraint to rice production. Here, we report the analysis of genome architecture and sequence variation of two field isolates, B157 and MG01, of the blast fungus from southern India. The 40 Mb genome of B157 and 43 Mb genome of MG01 contained 11,344 and 11,733 predicted genes, respectively. Genomic comparisons unveiled a large set of SNPs and several isolate specific genes in the Indian blast isolates. Avr genes were analyzed in several sequenced Magnaporthe strains; this analysis revealed the presence of Avr-Pizt and Avr-Ace1 genes in all the sequenced isolates. Availability of whole genomes of field isolates from India will contribute to global efforts to understand genetic diversity of M. oryzae population and to track the emergence of virulent pathotypes.

Published
2015
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3. The Sandalwood Genome

Author

Malali Gowda, H.B. Mahesh, Chittaranjan Kole, Malali Gowda, H.B. Mahesh, and Chittaranjan Kole

Subjects
Plant genetics, Plant biotechnology, Agriculture, Bioinformatics, Botanical chemistry
Abstract

This book is the first comprehensive compilation describing the importance of sandalwood in national and international markets, genetic resources, molecular markers, whole genome sequencing, and pathway genes involved in oil biosynthesis, aroma and fragrance. Application of various “omics” approaches in delineating genome architecture and annotation of genes is highlighted. This book comprises 10 chapters covered over 200 pages authored by the researchers involved in sandalwood genomics. The sandalwood, Santalum album is known for its unique fragrance and finest wood available for carving. Also, sandalwood is intertwined with Indian culture and it is the second most valuable and expensive tree in the world.

Published
2022

4. Low Power and Area Optimized Architecture for OQPSK Modulator

Author

H.B. Mahesh and S.M. Usha

Subjects
Computer science, Modulation, 0502 economics and business, 05 social sciences, 0202 electrical engineering, electronic engineering, information engineering, Electronic engineering, 020206 networking & telecommunications, Multiplier (economics), 02 engineering and technology, Booth's multiplication algorithm, 050203 business & management, Phase-shift keying
Abstract

Low power modulators are most efficient for wireless communication; the conventional OQPSK modulator consumes more power and area. In this work, OQPSK modulator is reframed with booth multiplier, this multiplier consumes minimum power and area than the conventional OQPSK modulator. Cadence software is used for the simulation and synthesis, the power reduction in 180nm, 90nm and 45nm is 31%, 26% and 23% and 23% and area reduction is 16%, 15.32% and 16.26% respectively.

Published
2019
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