Articles by Manoj-Kumar Arthikala in JoVE
Plant Promoter Analysis: Identification and Characterization of Root Nodule Specific Promoter in the Common Bean Kalpana Nanjareddy*1, Manoj-Kumar Arthikala*1, Alma-Leticia Aguirre1, Brenda-Mariana Gómez1, Miguel Lara2 1Ciencias Agrogenómicas, Escuela Nacional de Estudios Superiores Unidad León- Universidad Nacional Autónoma de México (UNAM), 2Instituto de Biología, Universidad Nacional Autónoma de México (UNAM), Ciudad Universitaria, Coyoacan Promoter expression analyses are crucial to improving the understanding of gene regulation and the spatiotemporal expression of target genes. Herein we present a protocol to identify, isolate, and clone a plant promoter. Further, we describe the characterization of the nodule-specific promoter in the common bean hairy roots.
Other articles by Manoj-Kumar Arthikala on PubMed
Legume NADPH Oxidases Have Crucial Roles at Different Stages of Nodulation International Journal of Molecular Sciences. | Pubmed ID: 27213330 Plant NADPH oxidases, formerly known as respiratory burst oxidase homologues (RBOHs), are plasma membrane enzymes dedicated to reactive oxygen species (ROS) production. These oxidases are implicated in a wide variety of processes, ranging from tissue and organ growth and development to signaling pathways in response to abiotic and biotic stimuli. Research on the roles of RBOHs in the plant's response to biotic stresses has mainly focused on plant-pathogen interactions; nonetheless, recent findings have shown that these oxidases are also involved in the legume-rhizobia symbiosis. The legume-rhizobia symbiosis leads to the formation of the root nodule, where rhizobia reduce atmospheric nitrogen to ammonia. A complex signaling and developmental pathway in the legume root hair and root facilitate rhizobial entrance and nodule organogenesis, respectively. Interestingly, several reports demonstrate that RBOH-mediated ROS production displays versatile roles at different stages of nodulation. The evidence collected to date indicates that ROS act as signaling molecules that regulate rhizobial invasion and also function in nodule senescence. This review summarizes discoveries that support the key and versatile roles of various RBOH members in the legume-rhizobia symbiosis.