Function of proline in plants

Author: ofjg

August undefined, 2024

WebJan 1, 2024 · Proline is considered as a multifunctional amino acid; it is essential for protein biosynthesis, can act as an osmoprotecting compound, stabilizes macromolecules, functions as a radical scavenger, and maintains redox balance [1, 25]. WebJan 1, 2024 · Proline can be involved in functions such as regulating cell redox potential, stabilizing membrane phospholipids, regulating cell pH, preserving proteins, and protecting enzymes from...

Estimation of Proline Plants - Biology Discussion

WebFeb 7, 2024 · Plants accumulate the amino acid proline (Pro) in response to several abiotic stresses, including temperature stress. Proline abundance may result from de novo synthesis, hydrolysis of... WebMar 14, 2024 · Early heat and drought priming may increase the plant’s ability to resist later drought and heat stress. However, it remains unclear whether combined heat and drought priming can enhance the acclimation of plants to later combined stress by improving physiological activities. In this study, maize seedlings were first pre-exposed … picture of germs cartoon

(PDF) Proline Metabolism and Its Implications for Plant …

Webplants use proline as a source of storage for carbon and nitrogen while Stewart and Lee (1974) reported that some halophytes use proline to adjust themselves osmotically. In turgid leaves, oxida- tion of proline occurs to maintain low levels of cellular proline, but in water stressed plants proline concentration increases because ... WebAlthough increasing intracellular proline under stressed condition could help the plants survive, treating plant with high level of proline under normal condition could be inhibitory to plant growth. Among other possible mechanisms, proline-induced mitochondrial reactive oxygen species (ROS) product … WebMar 28, 2024 · Drought is an adverse environmental factor for plant growth and development. Aquaporins play an influential role in water uptake and transport in plants. However, the function of PagPIP2;10 in response to drought stress remains largely unclear. Here, we report that the plasma membrane intrinsic protein PagPIP2;10 was in the cell … picture of german rottweiler

Proline - an overview ScienceDirect Topi…

Proline: a multifunctional amino acid - Sc…

WebFeb 1, 2010 · Multiple functions of proline in plants. Proline is used for protein synthesis, has protective functions as an osmolyte, contributes to the maintenance of the redox balance, can regulate development and is a component of metabolic signaling networks controlling mitochondrial functions, stress relief and development. WebJun 10, 2024 · Although it has been established that proline is a key osmolyte, its exact physiological function during heat stress and plant ontogeny remains unknown. Emerging evidence pointed out its role as an overriding molecule in alleviating high temperature stress (HTS) by quenching singlet oxygen and superoxide radicals. picture of germanic god tiwazWebMar 5, 2010 · Proline fulfils diverse functions in plants. As amino acid it is a structural component of proteins, but it also plays a role as compatible solute under environmental stress conditions. Proline metabolism involves several subcellular compartments and contributes to the redox balance of the cell. top five cqc 2011

"WebJun 19, 2024 · Beside this, proline plays multiple functions in other biotic and abiotic stresses, signal transduction, gene expression, ROS regulation, redox adjustment, and plant development ( Trovato et al., 2024) ( Figure 1C ). " - Function of proline in plants

Function of proline in plants

Proline: a multifunctional amino acid - ScienceDirect

WebNov 2, 2024 · The present chapter summarizes the current knowledge about the biochemical pathways of proline metabolism and its functions in regulating plant development and physiology both in the absence or presence of stress. 2 Proline Biosynthesis and Degradation: Enzymes and Their Subcellular Localization WebProline (Pro) is a pivotal and multifunctional amino acid that can play a significant role not in just plant developmental processes but also in responses of biotic and abiotic stress. This chapter discusses the mechanism of Pro biosynthesis and the known and putative roles of Pro metabolism enzymes during environmental stress conditions in plants.

Did you know?

WebAs multifunctional amino acid, proline seems to have diverse roles under stress conditions, such as stabilization of proteins, membranes, and subcellular structures, and protecting cellular functions by scavenging reactive oxygen species (ROS). WebThe exogenous application of proline as a protective molecule under extreme temperatures is also presented. Proline crosstalk and interaction with other molecules is also discussed. Finally, the potential of genetic engineering of proline-related genes is explained to develop 'temperature-smart' plants.

WebThe amino acid L-proline has been the subject of intensive research during the past ten to fifteen years. This stems from the observations that it incorporates into peptide linkage thereby serving as a precursor to peptidyl-bound L-hydroxyproline, a constituent of “extensin,” and that it accumulates when some plants are exposed to diverse biological … WebIn salt-stressed tobacco cells, proline has been shown to increase the activities of methylglyoxal detoxification enzymes; enhance peroxidase , glutathione-S-transferase, superoxide dismutase and catalase activities; and increase the glutathione redox state (Hoque et al. 2008; Islam et al. 2010 ).

WebProline accumulation in plants: not only stress. In addition to its role in protein synthesis and the plant cells' response to environmental stresses, circumstantial evidence suggest that proline may also play a role in flowering and development both as a metabolite and as a signal molecule. WebApr 1, 2024 · Functions of proline include helping form collagen, regenerating cartilage, forming connective tissue, repairing skin damage and wounds, healing the gut lining, and repairing joints. The structure of proline is unique because it’s the only proteinogenic amino acid (the types that biosynthetically form proteins) with a secondary amine.

WebProline as a biochemical marker in relation to the ecology of two halophytic Juncus species

WebJan 13, 2024 · Proline can serve as a signaling molecule, much like a hormone, to regulate mitochondrial function. Proline can influence cell proliferation as well as cell death. Proline can regulate gene... top five crossbows for under 500 dollarsWebMar 2, 2024 · Proline, an important amino acid, plays an important role in maintaining the metabolism and growth of plants under abiotic stress conditions. Many insights indicate a positive relationship between proline accumulation and tolerance of plants to various abiotic stresses. top five dash camsWebProline is a proteogenic amino acid and accumulates both under stress and non-stress conditions as a beneficial solute in plants. Recent … top five dating sites for seniorsWebAbstract Climate change and abiotic stress factors are key players in crop losses worldwide. Among which, extreme temperatures (heat and cold) disturb plant growth and development, reduce productiv... Assessment of proline function in higher plants under extreme temperatures - Raza - Plant Biology - Wiley Online Library Skip to Article Content picture of german shepherd dogWebJan 25, 2013 · Proline is an anomalous amino acid. Its nitrogen atom is covalently locked within a ring, thus it is the only proteinogenic amino acid with a constrained phi angle. Sequences of three consecutive prolines can fold into polyproline helices, structures that join alpha helices and beta pleats as architectural motifs in protein configuration. Triproline … top five dating sites freeWebApr 10, 2024 · It might help plants cope with adversity and ensure survival by driving stomatal closure, reducing water loss, controlling transpiration, and reducing plant growth [41,42]. Low levels of ABA were produced by ScD27.2R-9 lines under drought stress, while MDA content increased and proline content decreased compared with NT lines. picture of german shepherdWebProline Accumulates, Under Non-Stressed Conditions, in Reproductive Organs and Tissues. It is well described Citation 1 that under stress conditions many plant species accumulate proline as an adaptive response to adverse conditions. Although a clear-cut relationship between proline accumulation and stress adaptation has been questioned … picture of germs under microscope