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1. Red drupelet reversion in blackberries caused by mechanical damage is not linked to a reduction in anthocyanin content

Author:
Sanchez-Segura, Lino,   et al.   ; Flores-Sosa, Angel R.; Soto-Magaña, Diana; Gonzalez-de la Vara, Luis E.; Bah, Moustapha; Rivera-Pastrana, Dulce M.; Nava, Gerardo M.; Mercado-Silva, Edmundo M.;     Show all 8 Authors
Source:
Postharvest biology and technology 2021 v.180 pp. 111618
ISSN:
0925-5214
Subject:
anthocyanins; blackberries; color; cultivars; fluorescence; fruits; mechanical damage; microscopy; models; transportation; vibration
Abstract:
... Red Drupelet Reversion (RDR) in blackberry is a physiological disorder where numerous fruit drupelets regress to red from black color during post-harvest handling. The specific mechanism causing RDR is still unknown; however, numerous studies have suggested that anthocyanin contents could be involved in this phenomenon. Recently, it has been reported that RDR in cultivars ‘Ouachita’, ‘Triple Crown ...
DOI:
10.1016/j.postharvbio.2021.111618

2. Highly Branched Neo-Fructans (Agavins) Attenuate Metabolic Endotoxemia and Low-Grade Inflammation in Association with Gut Microbiota Modulation on High-Fat Diet-Fed Mice

Author:
Sánchez-Segura, Lino,   et al.   ; Huazano-García, Alicia; Silva-Adame, María Blanca; Vázquez-Martínez, Juan; Gastelum-Arellanez, Argel; López, Mercedes G.;     Show all 6 Authors
Source:
Foods 2020 v.9 no.12
ISSN:
2304-8158
Subject:
Agave; Bacteroides; Prevotella; adipocytes; biomarkers; cytokines; droplets; endotoxemia; fatty acids; foods; high fat diet; inflammation; intestinal microorganisms; leucine; lipopolysaccharides; liver; metabolic diseases; metabolic syndrome; metabolites; mice; obesity; portal vein; prebiotics; thymine; uracil; valine
Abstract:
... Highly branched neo-fructans (agavins) are natural prebiotics found in Agave plants, with a large capacity to mitigate the development of obesity and metabolic syndrome. Here, we investigated the impact of agavins intake on gut microbiota modulation and their metabolites as well as their effect on metabolic endotoxemia and low-grade inflammation in mice fed high-fat diet. Mice were fed with a stan ...
DOI:
10.3390/foods9121792

3. Influence of silver nanoparticles on a common contaminant isolated during the establishment of Stevia rebaudiana Bertoni culture

Author:
Sánchez-Segura, Lino,   et al.   ; Ramírez-Mosqueda, Marco A.; Hernández-Valladolid, Sandra L.; Bello-Bello, ·Elohim; Bello-Bello, Jericó J.;     Show all 5 Authors
Source:
Plant cell, tissue, and organ culture 2020 v.143 no.3 pp. 609-618
ISSN:
0167-6857
Subject:
Sordaria; Stevia rebaudiana; antifungal properties; bacteria; cell walls; cells; certification; fluorescence; fungi; growth retardation; micropropagation; nanoparticles; organ culture; phylogeny; shape; transmission electron microscopy
Abstract:
... Contamination by fungi and bacteria during the in vitro propagation of plants leads to considerable losses of biological material and precludes phytosanitary certification. The anti-microbial effect of silver nanoparticles (AgNPs) may be an alternative for the eradication of in vitro contaminants. This study evaluated the microbicidal activity of AgNPs on a recurrent fungus during the micropropaga ...
DOI:
10.1007/s11240-020-01945-9

4. Starch accumulation is associated with active growth in A. tequilana

Author:
Sánchez-Segura, Lino,   et al.   ; Zavala-García, Laura E.; Avila de Dios, Emmanuel; Pérez-López, Arely; Simpson, June;     Show all 5 Authors
Source:
Plant physiology and biochemistry 2018 v.130 pp. 623-632
ISSN:
0981-9428
Subject:
Liliopsida; amino acid sequences; apical meristems; complementary DNA; developmental stages; enzymes; flowers; gene expression; genes; guard cells; histology; leaf primordia; metabolism; root tips; starch granules; transcriptomics
Abstract:
... Transcriptome analysis of different tissues and developmental stages of A. tequilana plants led to the identification of full length cDNAs and the corresponding amino acid sequences for enzymes involved in starch metabolism in this species. Comparison with sequences from other species confirmed the identities of putative A. tequilana starch metabolism genes and uncovered differences in the evoluti ...
DOI:
10.1016/j.plaphy.2018.08.011

5. Spontaneously Aborted Embryos in the Sugarcane Aphid (Hemiptera: Aphididae)

Author:
Sánchez-Segura, Lino,   et al.   ; Peña-Martínez, Rebeca; Muñoz-Viveros, Ana Lilia; Marín-Jarillo, Antonio; Bujanos-Muñiz, Rafael; Luévano-Borroel, Javier; Ibarra, Jorge E;     Show all 7 Authors
Source:
Annals of the Entomological Society of America 2018 v.111 no.6 pp. 312-318
ISSN:
1938-2901
Subject:
Melanaphis sacchari; Sorghum bicolor subsp. drummondii; Sorghum halepense; color; grasses; greenhouses; Mexico
Abstract:
... A spontaneously abortive embryo (SAE) process in field and greenhouse populations of sugarcane aphid, Melanaphis sacchari (Zehntner) (Hemiptera: Aphididae) is described, as well as the occurrence of SAE in populations from Chiapas, Durango, Guanajuato, Nayarit, Michoacán, Querétaro, Sinaloa, and San Luis Potosí states in Mexico. This phenomenon was observed from November 2014 to December 2017 in s ...
DOI:
10.1093/aesa/say020

6. Naphthalene Acetic Acid Potassium Salt (NAA-K+) Affects Conidial Germination, Sporulation, Mycelial Growth, Cell Surface Morphology, and Viability of Fusarium oxysporum f. sp. radici-lycopersici and F. oxysporum f. sp. cubense in Vitro

Author:
Sánchez-Segura, Lino,   et al.   ; Manzo-Valencia, María Karina; Valdés-Santiago, Laura; Guzmán-de-Peña, Dora Linda;     Show all 4 Authors
Source:
Journal of agricultural and food chemistry 2016 v.64 no.44 pp. 8315-8323
ISSN:
1520-5118
Subject:
Fusarium oxysporum; acridine orange; application methods; biological control; conidia; fractal dimensions; genes; germination; in vitro studies; mycelium; naphthaleneacetic acid; plant pathogenic fungi; potassium; propidium; scanning electron microscopy; soil; sporulation; viability; Mexico
Abstract:
... The response to exogenous addition of naphthalene acetic acid potassium salt (NAA-K⁺) to Fusarium oxysporum f. sp radici-lycopersici ATCC 60095 and F. oxysporum f. sp. cubense isolated from Michoacan Mexico soil is reported. The in vitro study showed that NAA-K⁺ might be effective in the control of Fusarium oxysporum. Exogenous application of NAA-K⁺ affected both spores and mycelium stages of the ...
DOI:
10.1021/acs.jafc.6b03105

7. AhDGR2, an amaranth abiotic stress-induced DUF642 protein gene, modifies cell wall structure and composition and causes salt and ABA hyper-sensibility in transgenic Arabidopsis

Author:
Sánchez-Segura, Lino,   et al.   ; Palmeros-Suárez, Paola A.; Massange-Sánchez, Julio A.; Martínez-Gallardo, Norma A.; Espitia Rangel, Eduardo; Gómez-Leyva, Juan F.; Délano-Frier, John P.;     Show all 7 Authors
Source:
Planta 2017 v.245 no.3 pp. 623-640
ISSN:
0032-0935
Subject:
Amaranthus hypochondriacus; Arabidopsis; abscisic acid; cell walls; esterification; gene overexpression; genes; germination; leaves; microarray technology; pectinesterase; pectins; phenotype; proteins; roots; salt stress; sodium chloride; stress tolerance; tissues; transgenic plants
Abstract:
... MAIN CONCLUSION : An amaranth DGR gene, induced under abiotic stress, modifies cell wall structure and causes hypersensitivity to ABA and salt when overexpressed in Arabidopsis. DUF642 is a highly conserved plant-specific family of unknown cell wall-associated proteins. The AhDGR2 gene, coding for a DUF642 protein, was significantly induced in grain amaranth (Amaranthus hypochondriacus) plants sub ...
DOI:
10.1007/s00425-016-2635-y

8. A novel intracellular nitrogen‐fixing symbiosis made by Ustilago maydis and Bacillus spp.

Author:
Sánchez‐Segura, Lino,   et al.   ; Ruiz‐Herrera, José; León‐Ramírez, Claudia; Vera‐Nuñez, Antonio; Sánchez‐Arreguín, Alejandro; Ruiz‐Medrano, Roberto; Salgado‐Lugo, Holjes; Peña‐Cabriales, Juan José;     Show all 8 Authors
Source:
The new phytologist 2015 v.207 no.3 pp. 769-777
ISSN:
0028-646X
Subject:
Bacillus pumilus; Ustilago zeae; acetylene reduction; ammonium nitrate; bacteria; corn; electron microscopy; fluorescence in situ hybridization; fungi; genes; nitrogen; nitrogenase; polymerase chain reaction; ribosomal RNA; stable isotopes; symbiosis
Abstract:
... We observed that the maize pathogenic fungus Ustilago maydis grew in nitrogen (N)‐free media at a rate similar to that observed in media containing ammonium nitrate, suggesting that it was able to fix atmospheric N₂. Because only prokaryotic organisms have the capacity to reduce N₂, we entertained the possibility that U. maydis was associated with an intracellular bacterium. The presence of nitrog ...
DOI:
10.1111/nph.13359