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Full-Text Articles in Life Sciences
Bacterial Symbionts, Buchnera, And Starvation On Wing Dimorphism In English Grain Aphid, Sitobion Avenae (F.) (Homoptera: Aphididae), Fangmei Zhang, Xiangrui Li, Yunhui Zhang, Brad Coates, Xuguo Joe Zhou, Dengfa Cheng
Bacterial Symbionts, Buchnera, And Starvation On Wing Dimorphism In English Grain Aphid, Sitobion Avenae (F.) (Homoptera: Aphididae), Fangmei Zhang, Xiangrui Li, Yunhui Zhang, Brad Coates, Xuguo Joe Zhou, Dengfa Cheng
Entomology Faculty Publications
Wing dimorphism in aphids can be affected by multiple cues, including both biotic (nutrition, crowding, interspecific interactions, the presence of natural enemies, maternal and transgenerational effects, and alarm pheromone) and abiotic factors (temperature, humidity, and photoperiod). The majority of the phloem-feeding aphids carry Buchnera, an obligate symbiotic proteobacteria. Buchnera has a highly reduced genome size, but encode key enzymes in the tryptophan biosynthetic pathway and is crucial for nutritional balance, development and reproduction in aphids. In this study, we investigated the impact of two nutritional-based biotic factors, symbionts and starvation, on the wing dimorphism in the English grain aphid, …
Community Based Nutritition Education: A Model For Raising Awareness Of Childhood Obesity, Selina Ahmed
Community Based Nutritition Education: A Model For Raising Awareness Of Childhood Obesity, Selina Ahmed
Selina M Ahmed PhD
Background: Since 2003, Texas Southern University has coordinated conferences to educate Houston’s Third Ward community about strategies to combat childhood obesity. Presenters included faculty and students as speakers and activity coordinators. Participants indicated that these conferences are helpful in increasing awareness of health problems and the availability of community health resources. Purpose: To address the high rate of childhood obesity in Houston’s Third Ward and its costs in terms of health and long-term productivity on that community, faculty at Texas Southern University (TSU) coordinated annual conferences to educate community members about strategies to combat childhood obesity. Methods: Seven conferences intended …