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Journal: American Journal of Biology and Natural Sciences Clear filters
Indexed articles 2,627
Connected journals 12
Current scope American Journal of Biology and Natural Sciences
Interface English

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Research from American Journal of Biology and Natural Sciences

259 articles found
American Journal of Biology and Natural Sciences 28 May 2026

Cellular and Histological Changes in Cervical Epithelium: A Comparative Study of Normal and Abnormal Cells

Rawaa T. Mahdi
ISSN 2997-7185 Vol. 3 · No. 5 DOI
Abstract. The study of cellular morphology and histological organization represents a fundamental aspect of modern biological and medical sciences, as it provides essential insights into the structural and functional differences between normal and pathological conditions. Cervical epithelial cells …
American Journal of Biology and Natural Sciences 04 Jun 2026

Improving the Production of Phenolic and Flavonoid Compounds in Suspension Cell Cultures of the Plant Salvia compressa Endemic to Iraq Using Biostimulants

Hasanain A. F. Dhmosh
ISSN 2997-7185 Vol. 3 · No. 5 DOI
Abstract. Background: Salvia compressa is a highly valued Iraqi-endemic plant Iraqi-endemic plants containing various polyphenolic and flavonoids compounds. constrained by environmental and seasonal challenges, however, limiting the sustainability and commercial availability. Objective: To assess t…
American Journal of Biology and Natural Sciences 26 May 2026

Effect of Innoprovet Probiotics on the Organism of Chickens Vaccinated Against Infectious Bronchitis

K., Ubaydullaev T.; U., Murodov X.; N., Akhmedov B.
ISSN 2997-7185 Vol. 3 · No. 5 DOI
Abstract. This article presents data on the study of effective immunoprophylaxis against Infectious Bronchitis in Lohmann Brown breed chicks raised in industrialized poultry farms and smallholder farming operations, through the application of the "Nobilis Ma5 + Nobilis 4/91" Infectious Bronchitis v…
American Journal of Biology and Natural Sciences 26 May 2026

The Impact of Environmental Factors on the Genotype of African Catfish (Clarias Gariepinus): Molecular Bases and Economic Efficiency

Bakhodirovich, Muydinov Kamoliddin
ISSN 2997-7185 Vol. 3 · No. 5 DOI
Abstract. This article was revised in IMRAD format and translated into scientific English. It examines the environmental plasticity of the genotype of African catfish (Clarias gariepinus) in flow-through culture systems, with particular attention to gene expression, epigenetic responses, and produc…
American Journal of Biology and Natural Sciences 26 May 2026

Pharmaco-Toxicological Determination of Biostimulators

Khatamov Tolmas Tulkinovich; Ne’matov Azizjon Nasimovich
ISSN 2997-7185 Vol. 3 · No. 5 DOI
Abstract. This article studied the pharmacological effects and safety level of a preparation produced from trout liver on the organism of rabbits. The preparation was added to the feed for a specified period, and the live body weight of the animals was regularly monitored. It was determined that th…
American Journal of Biology and Natural Sciences 20 May 2026

Physiological Responses, Essential Oil Yield, and Active Constituents of Peppermint (Mentha × piperita L.) as Influenced by Graduated Water Stress

Al-Fahdawi, Hiba Jomaa; Salih, Ghada Saad
ISSN 2997-7185 Vol. 3 · No. 5 DOI
Abstract. The present study was carried out at the Research Station of the College of Agriculture, University of Tikrit, during the 2024–2025 growing season to investigate the effect of different water stress levels on physiological and biochemical responses, essential oil production and menthol ac…
American Journal of Biology and Natural Sciences 25 May 2026

Comparative Antibacterial Activity of Tannin-Enriched Aqueous Extracts of Citrus limon and Capparis spinosa Against Bacterial Isolates Recovered from Poultry Meat

Ahmed Abdulqader, Omar
ISSN 2997-7185 Vol. 3 · No. 5 DOI
Abstract. The antibacterial activity of tannin extracts isolated from Citrus limon and Capparis spinosa against bacterial isolates recovered from poultry meat was studied in this research. VITEK 2 Compact system to determine eight bacterial species and agar well diffusion method on Mueller–Hinton a…
American Journal of Biology and Natural Sciences 23 May 2026

Sterile Postbiotic Supernatants from Lactic Acid Bacteria Reduce LPS-Induced Inflammatory and Oxidative Stress Markers in Mammalian Epithelial Cells Without Direct Bacterial Contact

Dagman, Sabreen Noori
ISSN 2997-7185 Vol. 3 · No. 5
Abstract. Background: Postbiotics are non-viable microbial products or metabolites that may regulate mammalian epithelial responses without the biosafety concerns linked with live bacteria. Their effects can be studied using commercial mammalian cell lines without animals, human samples, histology,…
American Journal of Biology and Natural Sciences 23 May 2026

Giardiasis: A Review of Species, Clinical and Pathological Manifestation and Immunity

Abed, Zuhair Mohammed
ISSN 2997-7185 Vol. 3 · No. 5 DOI
Abstract. Giardia are non-invasive intestinal protozoan parasites and are the causative agent of giardiasis. It is widely distributed worldwide, infecting humans, domestic animals such as cats and dog, as well as mammals, fish, and bird clinical signs range from asymptomatic infection to foul-smell…
American Journal of Biology and Natural Sciences 30 May 2026

Effect of Alcoholic Extract of Pomegranate Peel on Kidney Enzyme Levels, Histological Changes, in Male Albino Rats Treated with Methotrexate

Al-Jubori, Duaa A. H.; Ismael, Maha Hameed; Al-Shujairi, Marwa Najim Obied
ISSN 2997-7185 Vol. 3 · No. 5 DOI
Abstract. Methotrexate (MTX) is highly nephrotoxic and acts via oxidative stress and inflammatory cascades. Pomegranate peel extract (PPE) contains punicalagins and exhibits potent antioxidant activity which is beneficial to the kidney. To assess the protective effects of pomegranate peel Extract (…