Isolation and Genotyping of Acanthamoeba from Soil Samples in Markazi Province, Iran

Mehri Meighani1, Zahra Eslamirad2, Reza Hajihossein3

  • 1Department of Biology, School of Basic Sciences, Islamic Azad University, Arak Branch, Arak, Iran.

Abstract

Insights

Soil samples in Arak, Iran, were analyzed for Acanthamoeba contamination. The study identified T4, T5, and T6 genotypes, with T4 being predominant, similar to other Iranian regions.

Area of Science:

  • Environmental microbiology
  • Parasitology

Background:

  • Acanthamoeba is a ubiquitous protozoan parasite.
  • Previous studies confirmed Acanthamoeba contamination in Arak's water sources.

Purpose of the Study:

  • To investigate soil as a potential reservoir for Acanthamoeba in Arak, Iran.
  • To determine the predominant Acanthamoeba genotypes in the region's soil.

Main Methods:

  • Collected and analyzed 48 soil samples from Arak, Markazi Province, Iran.
  • Employed culture-based methods and PCR assays for Acanthamoeba identification.
  • Sequenced PCR products and utilized the NCBI database for genotype determination.

Main Results:

  • Acanthamoeba contamination was detected in 33.3% of soil samples by culture and 31.25% by molecular assays.
  • The predominant genotypes identified were T4, T5, and T6.
  • Genotype T4 was the most prevalent, consistent with findings in other parts of Iran.

Conclusions:

  • Soil in Arak harbors Acanthamoeba, with T4 genotype being the most common.
  • This finding highlights the importance of soil as a potential source of Acanthamoeba in the region.
  • New sequence accession numbers (MG066681, MG298785-MG298794) were assigned for identified isolates.

Related Concept Videos

The Soil Ecosystem02:23

The Soil Ecosystem

Plants obtain inorganic minerals and water from the soil, which acts as a natural medium for land plants. The composition and quality of soil depend not only on the chemical constituents but also on the presence of living organisms. In general, soils contain three major components:
24.7K
Sampling Methods: Sample Types01:18

Sampling Methods: Sample Types

Sampling materials are classified into three main types: solid, liquid, and gas.
Solid samples include a variety of substances, such as sediments from water bodies, soil, metals, and biological tissues. Two standard methods for extracting sediments from water bodies are grab sampling and piston coring. Grab sampling involves using a device to collect a discrete sediment sample from the bottom of a water body with minimal disturbance. Grab samples do not always represent the entire area due to...
3.3K
Sampling Plans01:23

Sampling Plans

Sampling is a crucial step in analytical chemistry, allowing researchers to collect representative data from a large population. Common sampling methods include random, judgmental, systematic, stratified, and cluster sampling.
Random sampling is a method where each member of the population has an equal chance of being selected for the sample. It involves selecting individuals randomly, often using random number generators or lottery-type methods. For example, when analyzing the properties of a...
983
Sample Handling01:02

Sample Handling

Transportation of samples from the collection point to the laboratory, as well as storage and preservation techniques, are crucial for maintaining sample integrity and ensuring accurate and reliable test results.
Samples should be transported carefully from collection points to the laboratory. They should be properly sealed and clearly labeled to prevent cross-contamination. To preserve the sample integrity, optimal temperature conditions during transport are essential. This could involve using...
2.7K