Related Experiment Video
Updated: Sep 1, 2026
12:58
A Protocol to Characterize the Morphological Changes of Clostridium difficile in Response to Antibiotic Treatment
Published on: May 25, 2017
[The microfloral status of the intestines in people in contact with different antimicrobial preparations]
Zhurnal Mikrobiologii, Epidemiologii I Immunobiologii
|September 1, 1991
Abstract:
The state of enteric microbiocenosis in persons having contacts with different antimicrobial preparations, depending on the spectrum of such preparations and the duration of the contact, has been studied. Dysbiotic disturbances in enteric microflora have been detected even in those who have daily short-term contacts with antibacterial preparations.
Insights
Even brief, daily exposure to antimicrobial drugs can disrupt the gut microbiota. This study reveals that contact with antibacterial preparations alters enteric microbiocenosis, impacting gut health.
Area of Science:
- Microbiology
- Pharmacology
- Gastroenterology
Background:
- The gut microbiota plays a crucial role in host health.
- Antimicrobial agents can significantly impact microbial communities.
- Understanding the effects of antimicrobial exposure on enteric microbiocenosis is vital.
Purpose of the Study:
- To investigate the impact of different antimicrobial preparations on enteric microbiocenosis.
- To determine the influence of antimicrobial spectrum and contact duration on gut microflora.
- To assess dysbiotic disturbances in enteric microflora due to antimicrobial exposure.
Main Methods:
- Studying enteric microbiocenosis in individuals with varying contact levels with antimicrobial preparations.
- Analyzing the spectrum of antimicrobial agents involved.
- Evaluating the duration of contact with these preparations.
Main Results:
- Dysbiotic disturbances in enteric microflora were detected.
- These disturbances were observed even with daily short-term contact with antibacterial preparations.
- The state of enteric microbiocenosis is dependent on the spectrum and duration of antimicrobial contact.
Conclusions:
- Antimicrobial preparations can lead to dysbiotic disturbances in enteric microflora.
- Even low-level, short-term exposure to antibacterial agents can negatively affect gut microbiota.
- Further research is needed to understand the long-term implications of such exposures.
More Related Videos
Related Concept Videos
01:18Surface Membrane Barriers
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...
01:18Drugs Affecting GI Tract Motility: Antimicrobials as Antidiarrheal Agents
Acute diarrhea, a common gastrointestinal disturbance, is characterized by the rapid evacuation of fluid stools, leading to an excessive weight in fluid. This condition typically arises from disorders affecting intestinal water and electrolyte transport. It can be triggered by an increased osmotic load within the intestine, excessive secretion of electrolytes and water, mucosal exudation of protein and fluid, or altered intestinal motility. The primary risks of acute diarrhea are dehydration...
01:28Antimicrobial Effectiveness
The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...
01:22Introduction to the Human Microbiota
Microorganisms colonize various regions of the human body, including the mouth, nasal passages, throat, stomach, intestines, urogenital tract, and skin. The total number of microbial cells is estimated to range from 10¹³ to 10¹⁴—comparable to, or exceeding, the number of human somatic cells. This host–microbiome relationship has led to the conceptualization of humans as supraorganisms, wherein microbial communities perform vital roles in development, immunity, and disease...
01:27Microbiota of the Stomach and Small Intestine
The human gastrointestinal (GI) tract is characterized by distinct physicochemical conditions that shape its microbial communities. Among these, the stomach presents a particularly challenging environment for microbial colonization due to its highly acidic pH, ranging from 1 to 3. This extreme acidity effectively limits microbial density. However, certain acid-tolerant microorganisms are capable of surviving in this niche. Notably, Helicobacter pylori can colonize the gastric mucosa,...
01:21Microbiota Modulation by Antibiotics
Antibiotics have revolutionized modern medicine by saving countless lives from bacterial infections. However, their widespread use has inadvertently harmed the delicate balance of the human gut microbiota. The gut microbiota, a complex community of bacteria, archaea, viruses, and fungi, plays a vital role in regulating metabolism, immune responses, and maintaining intestinal health. Antibiotics, especially broad-spectrum types, disrupt this ecosystem by eradicating both harmful and beneficial...