Gazing into the remarkable world of non-heme catalases through the window of the cyanobacterial Mn-catalase 'KatB'

A Ballal, D Chakravarty, SC Bihani… - Free Radical Biology and …, 2020 - Elsevier
Catalases, enzymes that decompose H 2 O 2, are broadly categorized as heme catalases or
non-heme catalases. The non-heme catalases are also known as Mn-catalases as they …

A novel and reusable multinanozyme system for sensitive and selective quantification of hydrogen peroxide and highly efficient degradation of organic dye

SRH Jangi, HK Davoudli, Y Delshad, MRH Jangi… - Surfaces and …, 2020 - Elsevier
For the first time, a novel multinanozyme system was used for the highly efficient bio-
degradation of organic dye, malachite green, from real water media, and ultra-sensitive …

Site-directed lysine modification of xylanase for oriented immobilization onto silicon dioxide nanoparticles

R Pagolu, R Singh, R Shanmugam, S Kondaveeti… - Bioresource …, 2021 - Elsevier
Enhanced covalent immobilization of xylanase from Chaetomium globosum (XylCg) onto
SiO 2 nanoparticles was achieved by the modification of surface residues. The mutation of …

Reactive oxygen species-mediated signal transduction and utilization strategies in microalgae

D Tang, X Li, L Zhang, P Xiao, Y Nie, F Qiu… - Bioresource …, 2024 - Elsevier
Reactive oxygen species (ROS) are crucial in stress perception, the integration of
environmental signals, and the activation of downstream response networks. This review …

Harnessing salt stress to drive the efficient and inexpensive bioproduction of a valuable thermotolerant biocatalyst (Mn-catalase) from cyanobacterial biomass

D Chakravarty, H Tewari, A Ballal - Bioresource Technology Reports, 2023 - Elsevier
The catalase enzyme, widely used in industries (food, textiles etc.), is mostly procured from
animal or fungal sources. Here, we have utilized the cyanobacterium Anabaena for the …

Functional and mechanistic insights into the differential effect of the toxicant 'Se (IV)'in the cyanobacterium Anabaena PCC 7120

M Banerjee, P Kalwani, D Chakravarty, B Singh… - Aquatic Toxicology, 2021 - Elsevier
Selenium, an essential trace element for animals, poses a threat to all forms of life above a
threshold concentration. The ubiquitously present cyanobacteria, a major photosynthetic …

Identification of the DcHsp20 gene family in carnation (Dianthus caryophyllus) and functional characterization of DcHsp17.8 in heat tolerance

Y Sun, D Hu, P Xue, X Wan - Planta, 2022 - Springer
Main conclusion 33 heat shock protein 20 (Hsp20) genes were identified from the carnation
genome whose expression were altered by abiotic stresses. DcHsp17. 8 may function to …

Loss of 2‐Cys‐Prx affects cellular ultrastructure, disturbs redox poise and impairs photosynthesis in cyanobacteria

P Kalwani, D Rath, A Ballal - Plant, Cell & Environment, 2022 - Wiley Online Library
In a striking similarity to plant chloroplasts, the cyanobacterium Anabaena displays very low
catalase activity, but expresses several peroxiredoxins (Prxs), including the typical 2‐Cys …

Unique functional insights into the antioxidant response of the cyanobacterial Mn-catalase (KatB)

D Chakravarty, SC Bihani, M Banerjee… - Free Radical Biology …, 2022 - Elsevier
KatB, a hexameric Mn-catalase, plays a vital role in overcoming oxidative and salinity stress
in the ecologically important, N 2-fixing cyanobacterium, Anabaena. The 5 N-terminal …

Integration of elastin-like polypeptide fusion system into the expression and purification of Lactobacillus sp. B164 β-galactosidase for lactose hydrolysis

FP Addai, T Wang, AA Kosiba, F Lin, R Zhen… - Bioresource …, 2020 - Elsevier
An elastin-like polypeptide (ELP) sequence fused with Lactobacillus sp. B164 β-
galactosidase modified with 6x-Histidine (β-Gal-LH) to produce recombinant β-Gal-Linker …