青春期的状态会影响野猪泌尿器官的细菌群落
Brooke E McAnally1, Dallas R Soffa1, Molly S Smith1
1Department of Animal Science, Texas A&M University, College Station, TX 77843.
Journal of animal science
|September 27, 2025
概括
猪的泌尿器官组织中的细菌群落在青春期后发生变化,受到丸激素的影响. 了解这些变化是提高野猪生育能力和人工授精成功的关键.
科学领域:
- 兽医微生物学 兽医微生物学
- 动物繁殖 动物繁殖
- 微生物生态学 微生物生态学
背景情况:
- 猪精液中的细菌污染可以降低人工授精 (AI) 的生育能力.
- 猪的泌尿器官中的细菌群体和它们在青春期的变化基本上是未知的.
- 这些内部细菌群体可能会影响精液质量和AI结果.
研究的目的:
- 调查各种野猪泌尿器官组织内的细菌群体在青春期前后的差异.
- 为了将这些细菌变化与荷尔蒙变化相关联,特别是和二二水平.
- 评估青春期对野猪泌尿器官中的细菌多样性的影响.
主要方法:
- 收集了来自青春期前和青春期后野猪的泌尿器官组织 (丸,上皮,精液囊泡,前列腺,气囊腺,膀,前分泌体).
- 分析了使用16S rRNA基因安普利康序列的细菌群落.
- 测量了丸激素和二二的血度.
主要成果:
- 在青春期前后的野猪泌尿器官组织中观察到不同的细菌群落.
- 固体菌的丰富度随着丸激素的减少而增加,而蛋白质细菌的增加,与丸激素呈正相关性.
- 与青春期前猪相比,青春期后猪的细菌α多样性较低,膀显示出更高的多样性.
结论:
- 青春期引起了野猪泌尿器官细菌群落的显著变化,与水平升高有关.
- 这些发现突出了猪排卵中发现的细菌的潜在微生物起源.
- 需要进一步研究,将泌尿器官组织微生物群与射精成分进行比较,以充分了解野猪生育含义.
相关概念视频
Signs of Puberty
1.3K
Puberty is a critical phase, typically beginning between the ages of 8 and 13 in girls and 9 and 14 in boys, though timing can vary based on genetics, environmental factors, and overall health. This period is characterized by the development of secondary sexual characteristics and the attainment of reproductive potential. Endocrine changes underpin puberty, with hormonal surges of Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH) instigated by Gonadotropin-Releasing Hormone (GnRH)...
1.3K
Urinary Tract Infection II: Pathophysiology
521
The pathophysiology of urinary tract infections (UTIs) encompasses several progressive stages, beginning with bacterial colonization and culminating in potential systemic complications if untreated. UTIs are primarily initiated by bacteria, such as Escherichia coli, which often originate from the gastrointestinal tract and migrate to the urinary system through the periurethral area. This migration can occur via several routes, including improper hygiene practices, sexual activity, or...
521
The Y Chromosome Determines Maleness
7.8K
The Y chromosome is a sex chromosome found in several vertebrates and mammals, including humans. In addition to 22 pairs of autosomes, the human males have one X chromosome and one Y chromosome. In these organisms, the presence or absence of the Y chromosome determines the development of male traits.
Evolution
Around 300 million years ago, the two sex chromosomes diverged from two identical autosomal chromosomes. Over time, the Y chromosome has lost most of its genes, shrinking in size....
Evolution
Around 300 million years ago, the two sex chromosomes diverged from two identical autosomal chromosomes. Over time, the Y chromosome has lost most of its genes, shrinking in size....
7.8K
Anatomy of the Intestines
86.5K
Although digestion of proteins, carbohydrates, and lipids may begin in the stomach, it is completed in the intestine. The absorption of nutrients, water, and electrolytes from food and drink also occurs in the intestine. The intestines can be divided into two structurally distinct organs—the small and large intestines.
Small Intestines
The small intestine is an ~7 meter-long tube with an inner diameter of just 2.5 cm. Since most nutrients are absorbed here, the inner lining of the...
Small Intestines
The small intestine is an ~7 meter-long tube with an inner diameter of just 2.5 cm. Since most nutrients are absorbed here, the inner lining of the...
86.5K
Development of the Sexual Organs in the Embryo and Fetus
3.1K
Development of the reproductive organs in an embryo starts from a bipotential state. This means the early embryo can develop either male or female reproductive organs. The formation of these organs begins with the growth of gonadal ridges that arise from the intermediate mesoderm during the fifth week of development.
Near the gonadal ridges, two duct systems are present: the mesonephric ducts (Wolffian ducts) and paramesonephric ducts (Müllerian ducts). These ducts form the basis for the...
Near the gonadal ridges, two duct systems are present: the mesonephric ducts (Wolffian ducts) and paramesonephric ducts (Müllerian ducts). These ducts form the basis for the...
3.1K
Surface Membrane Barriers
2.5K
The skin and mucous membranes serve as the primary line of defense against pathogens by providing both physical and chemical protection. These barriers are essential in preventing the entry and establishment of microbes, thereby maintaining the integrity of the host.
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
2.5K


