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6 resultados encontrados para: AUTOR: Aceituno Medina, Marysol
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1.
- Artículo con arbitraje
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Resumen en: Inglés |
Resumen en inglés

The West Indian fruit fly, Anastrepha obliqua (Macquart), is the second most important tephritid fruit fly in Mexico, infesting mango, hog plum and guava fruits. To control this pest, the Mexican government has implemented the use of the sterile insect technique (SIT), which involves the mass production, sterilization and release of flies. However, the A. obliqua laboratory males used in SIT are selected to a lesser extent by the wild females during competitiveness tests. The objective of this study was to compare the effects of males fed on fruit fly food enriched with Providencia rettgeri to those in males fed on food alone, assessing male mating competitiveness, capture of females using traps baited with males fed with the enriched diet and sex pheromone components. The results indicated that males fed with the diet enriched with P. rettgeri had increased mating competitiveness and captured more females in the field cage tests. However, no difference was observed in the proportion of volatile sex pheromone components identified during the calling of A. obliqua males. The results suggest the value of incorporating bacteria into the mass rearing technique of A. obliqua adults in order to improve the sexual competitiveness of males from the laboratory compared to wild males.


2.
Tesis - Maestría
Actividad enzimática proteolítica durante el desarrollo larvario de Anastrepha obliqua (Diptera: tephritidae) en mango y dieta artificial / José Pedro Rivera Ciprian
Rivera Ciprian, José Pedro ; Toledo, Jorge (director) ; Guillén Navarro, Griselda Karina (asesora) ; Aceituno Medina, Marysol (asesora) ;
Tapachula, Chiapas, México : El Colegio de la Frontera Sur , 2017
Disponible en línea
Clasificación: TE/632.774 / R58
Bibliotecas: Tapachula
Cerrar
SIBE Tapachula
ECO020013736 (Disponible)
Disponibles para prestamo: 1
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3.
Artículo
*Artículo con arbitraje
Midgut protease activity during larval development of Anastrepha obliqua (Diptera: Tephritidae) fed with natural and artificial diet
Rivera Ciprian, José Pedro ; Aceituno Medina, Marysol (coaut.) ; Guillén Navarro, Griselda Karina (coaut.) ; Hernández Ortiz, Emilio (coaut.) ; Toledo, Jorge (coaut.) ;
Contenido en: Journal of Insect Science Vol. 17, no. 6 (November 2017), p. 1-8 ISSN: 1536-2442
Nota: Artículo con arbitraje
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Resumen en: Inglés |
Resumen en inglés

In this study, we examined the activity of two serine proteases (chymotrypsin and trypsin) and two metalloproteases (carboxypeptidases A and B) during larval development in Anastrepha obliqua fed natural (mango fruit) and artificial (formulation used in mass-rearing) diets. Proteolytic activity of chymotrypsin, trypsin, carboxypeptidase A, and carboxypeptidase B was detected in the midgut of different instars of A. obliqua and was strongly affected by the pH and diet type. The protein content of the natural and artificial diets was similar. Enzymatic activity was higher in the midgut of the larvae fed the natural diet than in larvae fed the artificial diet. The activity of the endopeptidases (chymotrypsin and trypsin) was lower than those of the exopeptidases (carboxypeptidases A and B). The pH of the midgut varied from acidic to neutral. The results indicate that in the midgut of the larvae reared on both types of diet, the level of carboxypeptidase activity was approximately 100-fold greater than the level of chymotrypsin activity and 10,000-fold greater than the level of trypsin. In conclusion, carboxypeptidase A and B are the main proteases involved in the digestion of proteins in the larvae of A. obliqua. The natural diet showed a high bioaccessibility. A clear tendency to express high activities of chymotrypsin and trypsin was observed by the third instar. Our research contributes to the planning and development of novel bioaccessibility assays to understand the nutrition processing of A. obliqua larvae under mass-rearing conditions for sterile insect technique.


4.
Artículo
*Solicítelo con su bibliotecario/a
The effects of a modified hot water treatment on Anastrepha ludens (Diptera: Tephritidae)-infested mango
Hernández Ortiz, Emilio (coaut.) ; Aceituno Medina, Marysol (coaut.) ; Toledo, Jorge (coaut.) ; Bravo, Bigail (coaut.) ; Caro Corrales, José (coaut.) ; Montoya Gerardo, Pablo Jesús (coaut.) ; Mangan, Robert (coaut.) ;
Contenido en: Journal of Economic Entomology Vol. 110, no. 2 (April 2017), p. 407-415 ISSN: 0022-0493
Nota: Solicítelo con su bibliotecario/a
Resumen en: Inglés |
Resumen en inglés

The Mexican fruit fly, Anastrepha ludens (Loew), is a quarantine pest in mango ( Mangifera indica L.) that can be controlled by using a hot water treatment (HWT). This treatment is normally followed by a 30-min hydrocooling (HYC) process that reduces the negative effects that the treatment has on fruit quality. However, if hot watertreated fruits are immediately immersed in water at 21°C, the survival rate of third-instar A. ludens may be increased. The current approved treatment protocol states that if HYC is used, then treated fruit should undergo an additional 10-min HWT or on platform for 30 min before HYC. We aimed to determine the efficacy of HWT without an additional 10-min treatment before being subjected to HYC, while taking into consideration that the most important conditions are the temperature of the fruit core throughout treatment and the type of infestation, either oviposition or inoculation. Two experimental tests were conducted. Our first aim was to determine the effectiveness of HWT followed by HYC using three varieties and different size classes of mangoes (‘Ataulfo’ 200–375 and 401–570g; ‘Tommy Atkins’ 401–500 and 501–700g; ‘Kent’ 401–500g). The four treatment combinations used to test HWT and immediate HYC at 21°C were1) HWT,2) HWT/HYC,3) HWT + 10 min/HYC, and 4) HWT/30 min on platform/HYC; an independent experiment was used for each variety. The second aim was to validate the HWT/HYC combination by performing confirmatory tests in commercial packing houses. The results showed that as long as the mango core temperature reached 45°C during the HWT, it was not necessary to add the 10-min treatment to the HWT before HYC at 21°C was applied. To ensure that the larvae are subjected to the HWT treatment for sufficient time to be lethal, the temperature of the fruit core throughout the treatment must be recorded.


5.
- Artículo con arbitraje
Resumen en: Inglés |
Resumen en inglés

The use of ionizing irradiation or the use of hot water treatment (HWT) has been demonstrated as a successful commercial phytosanitary treatment during the past two decades. Several countries currently use this technology for commercial treatments to meet plant quarantine requirements. However, hydrothermal treatment has been found to significantly affect the firmness of “Ataulfo” mango fruit, the susceptibility to damage by cold and it also accelerates their maturation. In this study, we focused on the effect of irradiation doses on the sensorial quality and the physiochemical properties of mango cv “Ataulfo” compared with the traditional hot water treatment. We found that doses of 150 Gy and 300 Gy of gamma radiation can be applied successfully as well as the hot water treatment. There was no significant difference in between irradiation treatments in terms of weight loss, external and internal color, pH, soluble solids, titratable acidity and firmness, and consumer's acceptance. There was no adverse effect of color appearance, odor and flavor, indicating that consumers will have the willingness to buy and consume irradiated mangoes. Irradiation of mangoes can be a successful post-harvest treatment as an alternative to the hot water treatment.


6.
- Artículo con arbitraje
*En hemeroteca, SIBE-Tapachula
Demographic and quality control parameters of laboratory and wild Anastrepha striata (Diptera: Tephritidae)
Hernández Ortiz, Emilio ; Rivera Ciprian, José Pedro (coaut.) ; Aceituno Medina, Marysol (coaut.) ; Orozco Dávila, Dina (coaut.) ; Infante, Francisco (coaut.) ;
Contenido en: International Journal of Tropical Insect Science Vol. 34, Sup. S1 (November 2014), p. S132-S139 ISSN: 1742-7592
Bibliotecas: Tapachula
Cerrar
SIBE Tapachula
12105-20 (Disponible)
Disponibles para prestamo: 1
Nota: En hemeroteca, SIBE-Tapachula
Resumen en: Inglés |
Resumen en inglés

In this study, rearing systems for, and the quality and demographic parameters of, a wild strain (WS) and two laboratory strains (LSs; one maintained on a torula yeastcasein diet and the other on a starter-gel diet) were determined for the American guava fruit fly Anastrepha striata (Schiner). No differences were observed between the LSs, but there were significant differences between the LSs and WSs. The LSs had the highest values for larval recovery, pupal weight, egg hatch, number of eggs/female per day, net reproductive rate and intrinsic rate of increase. Therefore, during a short oviposition period, the LSs had a high fecundity. There were no differences in pupation at 24 h and larval weight between the WS and LS. However, the values of parameters, adult emergence, female and male life expectancies, age at first oviposition, oviposition and post-oviposition periods and mean generation time were the highest in the WS.