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      Efecto del anegamiento en la actividad de la enzima alcohol deshidrogenasa en raíces de maracuyá amarillo Passiflora Edulis var. Flavicarpa Translated title: Effect of waterlogging on the alcohol dehydrogenase activity in yellow passion fruit roots Passiflora Edulis var. Flavicarpa

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          Abstract

          Bajo entornos naturales, las plantas de maracuyá amarillo frecuentemente se enfrentan a condiciones de anegamiento, un factor limitante para la producción generalizada de su cultivo, especialmente en tierras bajas inundables. El presente estudio se encargó de identificar la activación de la enzima alcohol deshidrogenasa (ADH) durante la inundación, como un posible mecanismo de sobrevivencia de plántulas de maracuyá amarillo. Se evaluó la actividad de la enzima ADH durante 0, 1, 3, 7, 9 y 14 días de tratamiento con inundación y sin inundación, en raíces de plántulas de maracuyá amarillo de tres meses y medio de germinadas. En las raíces de plántulas de maracuyá amarillo en condiciones de inundación, la actividad de la enzima ADH presentó un aumento significativo respecto a las plántulas en condiciones normales de riego (sin inundación). Esto sugiere que la actividad de la enzima alcohol deshidrogenasa, implicada en el metabolismo anaeróbico, es un posible mecanismo de supervivencia al anegamiento de plántulas de maracuyá amarillo en periodos cortos de inundación.

          Translated abstract

          Under natural environments, yellow passion fruit plants often face flooded conditions as a limiting factor for the widespread production of the crop, especially in flood-prone lowlands. This study was carried out to identify the activation of the enzyme alcohol dehydrogenase (ADH) during the flood, as a possible mechanism for the survival of yellow passion fruit seedlings. The activity of the ADH enzyme was assessed on days 0, 1, 3, 7, 9 and 14, with and without flooding, on rooted yellow passion fruit seedlings germinated during three and a half months. In the roots of the yellow passion fruit seedlings in flood conditions, the activity of the ADH enzyme showed a significant increase compared to seedlings under normal irrigation (no flooding). These results suggest that the activity of the alcohol dehydrogenase enzyme involved in anaerobic metabolism, is a possible mechanism for survival of yellow passion fruit seedlings waterlogged in short periods of flooding.

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          Mechanisms for coping with submergence and waterlogging in rice

          Rice (Oryza sativa L.), unlike other cereals, can grow well in paddy fields and is highly tolerant of excess water stress, from either submergence (in which part or all of the plant is under water) or waterlogging (in which excess water in soil limits gas diffusion). Rice handles submergence stress by internal aeration and growth controls. A quiescence strategy based on Submergence-1A (SUB1A) or an escape strategy based on SNORKEL1 (SK1) and SNORKEL2 (SK2) is used for the growth controls. On the other hand, rice handles waterlogging stress by forming lysigenous aerenchyma and a barrier to radial O2 loss (ROL) in roots in order to supply O2 to the root tip. In this article, we summarize recent advances in understanding the mechanisms of responding to excess water stresses (i.e., submergence and waterlogging) in rice and other gramineous plants.
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            A Geographically Variable Water Quality Index Used in Oregon

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              Effect of waterlogging on carbohydrate metabolism in pigeon pea (Cajanus cajan L.): Upregulation of sucrose synthase and alcohol dehydrogenase

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                biote
                Revista Colombiana de Biotecnología
                Rev. colomb. biotecnol
                Instituto de Biotecnología, Universidad Nacional de Colombia (Bogotá )
                0123-3475
                July 2015
                : 17
                : 2
                : 114-122
                Affiliations
                [1 ] Universidad del Valle Colombia
                [2 ] Universidad del Valle Colombia
                [3 ] Universidad del Valle Colombia
                [4 ] Universidad del Valle Colombia
                Article
                S0123-34752015000200013
                10.15446/rev.colomb.biote.v17n2.45326
                f9697997-3d8c-41db-bd4c-392a10a99ade

                http://creativecommons.org/licenses/by/4.0/

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                Product

                SciELO Colombia

                Self URI (journal page): http://www.scielo.org.co/scielo.php?script=sci_serial&pid=0123-3475&lng=en
                Categories
                BIOTECHNOLOGY & APPLIED MICROBIOLOGY

                Biotechnology
                enzymatic activity,ADH,alcoholic fermentation,flooding,anaerobic metabolism,actividad enzimática,fermentación alcohólica,inundación,metabolismo anaerobio

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