Search Results - "Carvalho, Fabricio E. L."

The regulation of P700 is an important photoprotective mechanism to NaCl‐salinity in Jatropha curcas by Cerqueira, João V. A., Silveira, Joaquim A. G., Carvalho, Fabrício E. L., Cunha, Juliana R., Lima Neto, Milton C.

“…Salinity commonly affects photosynthesis and crop production worldwide. Salt stress disrupts the fine balance between photosynthetic electron transport and the…”
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Photosynthetic and biochemical mechanisms of an EMS-mutagenized cowpea associated with its resistance to cowpea severe mosaic virus by Souza, Pedro F. N., Silva, Fredy D. A., Carvalho, Fabricio E. L., Silveira, Joaquim A. G., Vasconcelos, Ilka M., Oliveira, Jose T. A.

“…Key message The seed treatment of a CPSMV-susceptible cowpea genotype with the mutagenic agent EMS generated mutagenized resistant plantlets that respond to…”
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Cytosolic APX knockdown rice plants sustain photosynthesis by regulation of protein expression related to photochemistry, Calvin cycle and photorespiration by Carvalho, Fabrício E. L, Ribeiro, Carolina W, Martins, Márcio O, Bonifacio, Aurenivia, Staats, Charley C, Andrade, Cláudia M. B, Cerqueira, João V, Margis‐Pinheiro, Márcia, Silveira, Joaquim A. G

“…The biochemical mechanisms underlying the involvement of cytosolic ascorbate peroxidases (cAPXs) in photosynthesis are still unknown. In this study, rice…”
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Role of peroxidases in the compensation of cytosolic ascorbate peroxidase knockdown in rice plants under abiotic stress by BONIFACIO, AURENIVIA, MARTINS, MARCIO O, RIBEIRO, CAROLINA W, FONTENELE, ADILTON V, CARVALHO, FABRICIO E. L, MARGIS‐PINHEIRO, MÁRCIA, SILVEIRA, JOAQUIM A. G

“…Current studies, particularly in Arabidopsis, have demonstrated that mutants deficient in cytosolic ascorbate peroxidases (APXs) are susceptible to the…”
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Cacao agroforestry systems beyond the stigmas: Biotic and abiotic stress incidence impact by Jaimes-Suárez, Yeirme Y, Carvajal-Rivera, Albert S, Galvis-Neira, Donald A, Carvalho, Fabricio E L, Rojas-Molina, Jairo

“…Low technological knowledge in production chains, global climate change, and misinformation are concrete threats to food security. In addition, these combined…”
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Nitrogen-utilization efficiency during early deficiency after a luxury consumption is improved by sustaining nitrate reductase activity and photosynthesis in cotton plants by Guilherme, Eliezer A., Nascimento, Cristiano S., Lobo, Ana K. M., Carvalho, Fabricio E. L., Silveira, Joaquim A. G.

“…Aims Understanding mechanisms underlying N use efficiency (NUE) after luxury consumption and nitrate deprivation is crucial to crop productivity. The aim was…”
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Involvement of ASR genes in aluminium tolerance mechanisms in rice by ARENHART, RAFAEL AUGUSTO, DE LIMA, JULIO CÉSAR, PEDRON, MARCELO, CARVALHO, FABRICIO E. L, DA SILVEIRA, JOAQUIM ALBENISIO GOMES, ROSA, SILVIA BARCELOS, CAVERZAN, ANDREIA, ANDRADE, CLAUDIA M. B, SCHÜNEMANN, MARIANA, MARGIS, ROGÉRIO, MARGIS‐PINHEIRO, MÁRCIA

“…Among cereal crops, rice is considered the most tolerant to aluminium (Al). However, variability among rice genotypes leads to remarkable differences in the…”
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Peroxisomal APX knockdown triggers antioxidant mechanisms favourable for coping with high photorespiratory H2O2 induced by CAT deficiency in rice by SOUSA, RACHEL H. V, CARVALHO, FABRICIO E. L, RIBEIRO, CAROL W, PASSAIA, GISELE, CUNHA, JULIANA R, LIMA‐MELO, YUGO, MARGIS‐PINHEIRO, MÁRCIA, SILVEIRA, JOAQUIM A. G

“…The physiological role of peroxisomal ascorbate peroxidases (pAPX) is unknown; therefore, we utilized pAPX4 knockdown rice and catalase (CAT) inhibition to…”
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Photosynthesis impairment and oxidative stress in Jatropha curcas exposed to drought are partially dependent on decreased catalase activity by Silva, Evandro Nascimento, Silveira, Joaquim A. G., Aragão, Rafael M., Vieira, Cinthya F., Carvalho, Fabrício E. L.

“…Catalase (CAT) is a crucial enzyme to control the excess peroxisomal H 2 O 2 produced during photorespiration. In many plant species, this enzymatic activity…”
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Understanding photosynthesis in a spatial–temporal multiscale: The need for a systemic view by Neto, Milton C. Lima, Carvalho, Fabricio E. L., Souza, Gustavo M., Silveira, Joaquim A. G.

“…In October 2020, at the peak of the COVID-19 pandemic, a group of young Brazilian photosynthesis researchers organized the 1st Brazilian Symposium on…”
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Proteomics, photosynthesis and salt resistance in crops: An integrative view by Silveira, Joaquim A.G., Carvalho, Fabricio E.L.

“…Salinity is a stressful condition that causes a significant decrease in crop production worldwide. Salt stress affects several photosynthetic reactions,…”
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Impairment of peroxisomal APX and CAT activities increases protection of photosynthesis under oxidative stress by Sousa, Rachel H V, Carvalho, Fabricio E L, Lima-Melo, Yugo, Alencar, Vicente T C B, Daloso, Danilo M, Margis-Pinheiro, Marcia, Komatsu, Setsuko, Silveira, Joaquim A G

“…Proteomics and physiological approaches reveal that peroxisomal APX silencing and CAT inhibition trigger H2O2-signalling for up-regulation of antioxidant…”
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Rice peroxisomal ascorbate peroxidase knockdown affects ROS signaling and triggers early leaf senescence by Ribeiro, Carolina W., Korbes, Ana Paula, Garighan, Julio A., Jardim-Messeder, Douglas, Carvalho, Fabricio E.L., Sousa, Rachel H.V., Caverzan, Andreia, Teixeira, Felipe K., Silveira, Joaquim A.G., Margis-Pinheiro, Marcia

“…•The highest expression level of the peroxisomal OsAPX4 gene occurs in leaves.•Silencing of OsAPX4 does not cause a general increase in intracellular H2O2…”
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Quantifying the dynamics of light tolerance in Arabidopsis plants during ontogenesis by Carvalho, Fabricio E. L., Ware, Maxwell A., Ruban, Alexander V.

“…The amount of light plants can tolerate during different phases of ontogenesis remains largely unknown. This was addressed here employing a novel methodology…”
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Silenced rice in both cytosolic ascorbate peroxidases displays pre-acclimation to cope with oxidative stress induced by 3-aminotriazole-inhibited catalase by Bonifacio, Aurenivia, Carvalho, Fabrício E.L., Martins, Marcio O., Lima Neto, Milton C., Cunha, Juliana R., Ribeiro, Carolina W., Margis-Pinheiro, Marcia, Silveira, Joaquim A.G.

“…•Cytosolic H2O2 generated by APX deficiency is capable of triggering acclimation against oxidative stress in rice.•Rice silenced in both cytosolic APXs…”
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Impairment in photosynthesis induced by CAT inhibition depends on the intensity of photorespiration and peroxisomal APX expression in rice by Sousa, Rachel HV, Carvalho, Fabricio EL, Daloso, Danilo M., Lima-Melo, Yugo, Margis-Pinheiro, Marcia, Komatsu, Setsuko, Silveira, Joaquim AG

“…We have previously shown that rice plants silenced for peroxisomal ascorbate peroxidase (OsAPX4-RNAi) display higher resilience to photosynthesis under…”
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The knockdown of chloroplastic ascorbate peroxidases reveals its regulatory role in the photosynthesis and protection under photo-oxidative stress in rice by Caverzan, Andréia, Bonifacio, Aurenivia, Carvalho, Fabricio E.L., Andrade, Claudia M.B., Passaia, Gisele, Schünemann, Mariana, Maraschin, Felipe dos Santos, Martins, Marcio O., Teixeira, Felipe K., Rauber, Rafael, Margis, Rogério, Silveira, Joaquim Albenisio Gomes, Margis-Pinheiro, Márcia

“…•Double knockdown rice plants in OsAPX7 and OsAPX8 genes exhibit normal phenotypes.•Proteomic analyses showed differentially expressed proteins in knockdown…”
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Proteomic and physiological approaches reveal new insights for uncover the role of rice thylakoidal APX in response to drought stress by Cunha, Juliana R., Carvalho, Fabrício E.L., Lima-Neto, Milton C., Jardim-Messeder, Douglas, Cerqueira, João Victor A., Martins, Marcio O., Fontenele, Adilton V., Márgis-Pinheiro, Márcia, Komatsu, Setsuko, Silveira, Joaquim A.G.

“…Chloroplast APX isoforms display controversial roles as H2O2 scavengers and signaling players in response to abiotic stress and conclusive results are lacking…”
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What proteomics can reveal about plant–virus interactions? Photosynthesis-related proteins on the spotlight by Souza, Pedro F. N., Garcia-Ruiz, Hernan, Carvalho, Fabricio E. L.

“…Plant viruses are responsible for losses in worldwide production of numerous economically important food and fuel crops. As obligate cellular parasites with…”
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Mitochondrial GPX1 silencing triggers differential photosynthesis impairment in response to salinity in rice plants by Lima‐Melo, Yugo, Carvalho, Fabricio E. L., Martins, Márcio O., Passaia, Gisele, Sousa, Rachel H. V., Neto, Milton C. Lima, Margis‐Pinheiro, Márcia, Silveira, Joaquim A. G.

“…The physiological role of plant mitochondrial glutathione peroxidases is scarcely known. This study attempted to elucidate the role of a rice mitochondrial…”
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