Volume 22, Issue 1 (2022) | OnLine Journal of Biological Sciences

Effect of Bio-Organic-Mineral Fertilizers on Quality, Yield, and Safety Indicators of Potatoes under Conditions of Akmola Region

Aizhan Maratovna Suraganova — 2022-01-21

OnLine Journal of Biological Sciences, Published online: 21 January 2022; doi:10.3844/ojbsci.2022.1.9

This article shows the results of determining the effect of bio-organic-mineral fertilizers on the accumulation of Pb, Cd, As, and Hg and on the quality, yield indicators of potatoes treated by plant ...

Structural Organization of Vitelline Cells of Trematode with Undifferentiated Body of Azygia Lucii (Muller, 1776)

Rimma Meyramovna Ualiyeva — 2022-01-26

OnLine Journal of Biological Sciences, Published online: 26 January 2022; doi:10.3844/ojbsci.2022.10.17

It is known that the class Trematoda includes exclusively parasitic forms of flatworms. In this regard, they have formed a variety of morphological and functional adaptations to a parasitic lifestyl...

Analysis of Nucleoli in Intact Lymphocytes in Different Mammalian Species and Hybrids

Baylar Iolchiev — 2022-01-24

OnLine Journal of Biological Sciences, Published online: 24 January 2022; doi:10.3844/ojbsci.2022.18.25

The purpose of this study was to develop methods for quantitative and qualitative assessment of the activity of the nucleolus using the color intensity of argyrophilic regions and to study the effect ...

Characteristics of Collagen from Parrotfish (Chlorurus Sordidus), Tiger Grouper (Epinephelus Fuscoguttatus) and Pink Ear Emperor (Lethrinus Lentjan): Effect of Acetic Acid Concentration and Extraction Time

Asep Awaludin Prihanto — 2022-01-28

OnLine Journal of Biological Sciences, Published online: 28 January 2022; doi:10.3844/ojbsci.2022.26.35

The use of marine fish's skin waste such as parrotfish (Chlorurus sordidus), tiger grouper (Epinephelus fuscoguttatus), and pink ear emperor (Lethrinus lentjan) needs improvement to increase its econo...

Comparative Characteristics of Growth and Development of Rosehip in the Plantations of the Almaty Region

Yerzhan Zhunusovich Kentbayev — 2022-01-27

OnLine Journal of Biological Sciences, Published online: 27 January 2022; doi:10.3844/ojbsci.2022.36.45

The object of research is the varieties and forms of rosehip, growing in the mountains of the Almaty region at an absolute height of 1,450 m above sea level. The aim of the research is the study the p...

Features Resistance of Sugar Sorgo (Sorghum Saccharatum (L) Pers.) Varieties to Environmental Stress Factors

Mukasheva Danagul — 2022-02-05

OnLine Journal of Biological Sciences, Published online: 5 February 2022; doi:10.3844/ojbsci.2022.46.57

One of the types of sorghum, the most drought-resistant crop in the world, sugar sorghum (Sorghum Saccharum) is characterized by the fact that, unlike grain and broom sorghum, its stem juice contain...

The Effects of the Degree of Soil Salinity and the Bio preparation on Productivity of Maize in the Shaulder Irrigated Massif

Maksat Nurbaiuly Poshanov — 2022-02-11

OnLine Journal of Biological Sciences, Published online: 11 February 2022; doi:10.3844/ojbsci.2022.58.67

During the study on the Shaulder irrigated massif, the soil salinity maps with different degrees of salinity were compiled at the large-scale 1:10000 in the GIS environment. It was found that the area...

Expanding the Rapeseed Cultivation Area in the South and South-Eastern Regions of Kazakhstan with the Introduction of its Winter Variety

Galiolla T. Meiirman — 2022-02-11

OnLine Journal of Biological Sciences, Published online: 11 February 2022; doi:10.3844/ojbsci.2022.68.74

The paper examines the data on 86 rapeseed samples of various ecological and geographical origins, which were subjected to a long-term selection study with the criterion of winter hardiness to creat...

Preparation, Identification and Antioxidant Evaluation of Citrullus Colocynthis Root and Fruit Extracts Against Doxorubicin in Male Rats

Sarah Samir Othman — 2022-02-08

OnLine Journal of Biological Sciences, Published online: 8 February 2022; doi:10.3844/ojbsci.2022.75.86

Millions of people are affected by diseases in developing or developed countries. Citrullus colocynthis is a high-antioxidant wildflower, it is healthy to eat and may be used as a source of energy or ...

About the Cyanobacteria and Stromatolites

Florian Ion Tiberiu Petrescu — 2022-02-17

OnLine Journal of Biological Sciences, Published online: 17 February 2022; doi:10.3844/ojbsci.2022.87.111

Stromatolites are layered biochemical accretionary structures formed in shallow water by the trapping, binding and cementation of sedimentary grains in biofilms (specifically microbial mats), especial...

Morphometric Study of Hyssopus ambiguus Growing in the Territory of Central Kazakhstan

Yekaterina Victorovna Lakomkina — 2022-02-17

OnLine Journal of Biological Sciences, Published online: 17 February 2022; doi:10.3844/ojbsci.2022.112.117

The article presents the results of the study of Hyssopus ambiguus herb, collected on the territory of Central Kazakhstan. We obtained data on diagnostic features of the studied species at morphologic...

Crude Extract of Blue-Green Pigment Derived from the Marine Bacterium Pseudomonas aeruginosa P1.S9 has Antibacterial, Antioxidant, and Cytotoxic Activities

Aris Tri Wahyudi — 2022-03-04

OnLine Journal of Biological Sciences, Published online: 4 March 2022; doi:10.3844/ojbsci.2022.118.125

Pigment derived from marine bacteria is one of the alternative sources of natural products characterized by beneficial functions for pharmaceutical purposes. This study aimed to evaluate the antimicro...

Microbiological Analysis of Tilapia Fillet Stored Under Refrigerated Conditions

Itzel Yashita Prado-Toledo — 2022-03-10

OnLine Journal of Biological Sciences, Published online: 10 March 2022; doi:10.3844/ojbsci.2022.126.138

Fish is a food susceptible to deterioration and contamination by microorganisms through the food chain, affecting its quality and safety. Fish is subjected to various processing and preservation metho...

Development of a Model, Selection and Evaluation of the Source Material for the Plant Breeding of Alfalfa Varieties with Increased Seed Productivity

Gulmira Toktarovna Ualiyeva — 2022-04-01

OnLine Journal of Biological Sciences, Published online: 1 April 2022; doi:10.3844/ojbsci.2022.139.148

The article presents the results of laboratory and field experiments on the source material of alfalfa in the conditions of Northern Kazakhstan. The purpose of the present research was to study and ev...

Isolation and Characterization of Phosphate Solubilizing Activity of Endophytic Fungi from Zingiberaceous Species

Erman Munir — 2022-03-27

OnLine Journal of Biological Sciences, Published online: 27 March 2022; doi:10.3844/ojbsci.2022.149.156

Phosphorus (P), which is one of the less available soil macronutrients, is important for plant growth and metabolism. A promising strategy to increase the P uptake by plants is by introducing Phosphat...