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11 pages, 2927 KB  
Communication
The Impact of Diabetes on Male Silkworm Reproductive Health
by Xiaoyan Zeng and Li Tong
Biology 2024, 13(8), 557; https://doi.org/10.3390/biology13080557 - 24 Jul 2024
Cited by 3 | Viewed by 2183
Abstract
The increasing prevalence of diabetic reproductive complications has prompted the development of innovative animal models. The use of the silkworm Bombyx mori as a model for diabetic reproductive damage shows potential as a valuable research tool. This study employed silkworms as a novel [...] Read more.
The increasing prevalence of diabetic reproductive complications has prompted the development of innovative animal models. The use of the silkworm Bombyx mori as a model for diabetic reproductive damage shows potential as a valuable research tool. This study employed silkworms as a novel model to investigate diabetic reproductive damage. The silkworms were fed a high-glucose diet containing 10% glucose to induce a diabetic model. Subsequently, the study concentrated on assessing the influence of diabetes on the reproductive system of male silkworms. The results indicate that diabetes resulted in reduced luteinizing hormone (LH) and testosterone (T) levels, as well as elevated triglyceride (TG) levels in male silkworms. Moreover, diabetes mellitus was associated with pathological testicular damage in male silkworms, accompanied by decreased glutathione peroxidase (GSH-Px) and superoxide dismutase (SOD) levels, along with increased malondialdehyde (MDA) levels in the testis. Additionally, diabetes mellitus reduced the expression of siwi1 and siwi2 genes in the testis of male silkworms. Overall, these results support using silkworms as a valuable model for studying diabetic reproductive damage. Full article
(This article belongs to the Special Issue Animal Models for Disease Mechanisms)
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10 pages, 455 KB  
Article
The Influence of Surrounding Arable Fields on the Species Diversity and Composition of Isolated Mountain Mesic Grassland Patches
by Daniel Pruchniewicz, Ludwik Żołnierz and Agnieszka Dradrach
Agriculture 2024, 14(2), 180; https://doi.org/10.3390/agriculture14020180 - 24 Jan 2024
Cited by 1 | Viewed by 1437
Abstract
This study aimed to determine the impact of arable fields on the diversity and species composition of isolated meadow patches of the order Arrhenatheretalia. The study was conducted in the Sowie Mountains and the adjacent hills (SW Poland). The species composition of [...] Read more.
This study aimed to determine the impact of arable fields on the diversity and species composition of isolated meadow patches of the order Arrhenatheretalia. The study was conducted in the Sowie Mountains and the adjacent hills (SW Poland). The species composition of the vegetation was analyzed along transects designated from the edge up to 33 m into the meadow patches. The species composition varied significantly in zones directly affected by arable fields, proving their strong negative impact on the vegetation of the mesic grasslands examined. The highest values of the diversity index were recorded 9 m away from the edge, while the lowest values were found in the direct influence zone of arable fields—2 m from the edge. In the case of apophytes, synanthropic species of local origin, the lowest values were recorded within 1 m and the highest values were recorded within 9 m. A significant change in the percentage of graminoids and dicotyledonous herbs was found between 9 m and 33 m from the edge. The study found no significant differences in habitat parameters measured with ecological indicators. Species of the Artemisietea vulgaris class effectively penetrate deep into grassland patches and can visibly degrade their vegetation. Full article
(This article belongs to the Section Ecosystem, Environment and Climate Change in Agriculture)
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