abstract：:Background: BAS1 is biotrophy-associated secreted protein of rice blast strain (Magnaporthe oryzae). In order to study the effect of BAS1 on virulence of rice blast strain, we characterized function of BAS1 using a purified prokaryotic expression product of BAS1 and its overexpression strain. Results: Our results show...

journal_title：Saudi journal of biological sciences

authors： Yang J,Liu L,Wang Y,Wang C,Yan J,Liu Y,Wang C,Li C

更新日期：2017-12-01 00:00:00

abstract：:Biosurfactants are secondary metabolites with surface active properties and have wide application in agriculture, industrial and therapeutic products. The present study was aimed to screen bacteria for the production of biosurfactant, its characterization and development of a cost effective media formulation for ituri...

journal_title：Saudi journal of biological sciences

authors： Narendra Kumar P,Swapna TH,Khan MY,Reddy G,Hameeda B

更新日期：2017-11-01 00:00:00

abstract：:Both leica microscopic camera system and scanning electron microscopy was used to observe and characterize the feet, back, abdomen, antennae and mouthparts of the Pseudoregma bambucicola from the bamboo, Bambusa multiplex. The possible functions of all the external morphological characteristics of the P. bambucicola w...

journal_title：Saudi journal of biological sciences

authors： Nong X,Zeng X,Yang Y,Liang Z,Tang M,Liao L,Luo C

更新日期：2017-11-01 00:00:00

abstract：:Rhazya stricta Decne is an important medicinal species used in indigenous medicinal herbal drugs to cure various diseases in South Asia (Pakistan, India and Afghanistan) and in the Middle East (e.g. Saudi Arabia, Qatar, United Arab Emirates (UAE), Iran and Iraq). Some of its alkaloids have been reported to have antica...

journal_title：Saudi journal of biological sciences

authors： Bukhari NA,Al-Otaibi RA,Ibhrahim MM

更新日期：2017-11-01 00:00:00

abstract：:MicroRNAs (miRNAs) have emerged as key players in host-pathogen interaction and many virus-encoded miRNAs have been identified (computationally and/or experimentally) in a variety of organisms. A novel Bombyx mori nucleopolyhedrosis virus (BmNPV)-encoded miRNA miR-415 was previously identified through high-throughput ...

journal_title：Saudi journal of biological sciences

authors： Cao X,Huang Y,Xia D,Qiu Z,Shen X,Guo X,Zhao Q

更新日期：2017-11-01 00:00:00

abstract：:Vector borne diseases remain the major source of illness and death worldwide. Aedes aegypti is the primary carrier of dengue and dengue haemorrhagic fever in many developing countries in the tropical world. Because A. aegypti populations are becoming more and more resistant to conventional and non conventional insecti...

journal_title：Saudi journal of biological sciences

authors： Alkenani NA

更新日期：2017-09-01 00:00:00

abstract：:Momordica dioica Roxb. Commonly known as "Kakora" in Telugu, is used in the Indian traditional system of medicine for the treatment of diabetes. The aim of this study was to investigate the antidiabetic activity of methanolic extract of M. dioica seeds (MEMD) in streptozotocin (STZ) induced diabetic rats. The in vitro...

journal_title：Saudi journal of biological sciences

authors： Rao PS,Mohan GK

更新日期：2017-09-01 00:00:00

abstract：:Numerical simulations are used to investigate the wake structure and hydrodynamic performance of bionic flapping foils. The study is motivated by the quest to understand the fluid dynamics of fish fins and use it in the underwater propulsion. The simulations employ an immersed boundary method that makes it possible to...

journal_title：Saudi journal of biological sciences

authors： Liu W,Li N,Zhao J,Su Y

更新日期：2017-09-01 00:00:00

abstract：:Schistosomiasis is still one of the main parasitic diseases that affect human health in tropical regions. Whilst praziquantel (PZQ) is the main classic antischistosomal drug, the need for new drugs is still a must due to the low effectiveness of the drug on the schistosome young worms, and the evolving of PZQ resistan...

journal_title：Saudi journal of biological sciences

authors： Dkhil MA,Khalil MF,Diab MSM,Bauomy AA,Al-Quraishy S

更新日期：2017-09-01 00:00:00

abstract：:Use of honey has a very long history. Honey has been used since ancient time due to its nutritional and therapeutic values. There had been varied ways of consumption honey including its use as a sweetener and flavoring agent. Honey is produced all over the world. The most important nutriment of honey is carbohydrates ...

journal_title：Saudi journal of biological sciences

authors： Meo SA,Al-Asiri SA,Mahesar AL,Ansari MJ

更新日期：2017-07-01 00:00:00

abstract：:Background: Propolis is a natural product of plant resins collected by honeybees from various plant sources. It is used as a remedy in folk medicine since ancient times because of its several biological and pharmacological properties. Recently, propolis has been used by dentist to treat various oral diseases. It was a...

journal_title：Saudi journal of biological sciences

authors： Sabir A,Sumidarti A

更新日期：2017-07-01 00:00:00

abstract：:Propolis is a gummy material made by honeybees for protecting their hives from bacteria and fungi. The main objective of this study is to determine the chemical compositions and concentrations of organic compounds in the extractable organic matter (EOM) of propolis samples collected from four different regions in Yeme...

journal_title：Saudi journal of biological sciences

authors： Al-Ghamdi AA,Bayaqoob NIM,Rushdi AI,Alattal Y,Simoneit BRT,El-Mubarak AH,Al-Mutlaq KF

更新日期：2017-07-01 00:00:00

abstract：:The present study aims to explore the crisis of antibiotic resistance and discover more about the current challenges related to self-medication. The current challenges related to antibiotic resistance are unique and differ from the challenges of the past since new bacterial pathogens are involved and continue to evolv...

journal_title：Saudi journal of biological sciences

authors： Rather IA,Kim BC,Bajpai VK,Park YH

更新日期：2017-05-01 00:00:00

abstract：:The antimicrobial properties of essential oil from various Santolina species have not been investigated enough in the previous studies dealing with the biological activities of medicinal plants. In Tunisia, Santolina chamaecyparissus L. (Asteraceae) is the only Santolina species recorded and is used as vermifuge and e...

journal_title：Saudi journal of biological sciences

authors： Bel Hadj Salah-Fatnassi K,Hassayoun F,Cheraif I,Khan S,Jannet HB,Hammami M,Aouni M,Harzallah-Skhiri F

更新日期：2017-05-01 00:00:00

abstract：:In the last 10 years, resistance in Gram-negative bacteria has been increasing. The present study was designed to evaluate the in vitro antibacterial activities of the methanol extracts of six Cameroonian medicinal plants Albizia adianthifolia, Alchornea laxiflora, Boerhavia diffusa, Combretum hispidum, Laportea ovali...

journal_title：Saudi journal of biological sciences

authors： Tchinda CF,Voukeng IK,Beng VP,Kuete V

更新日期：2017-05-01 00:00:00

abstract：:We report morphometric data for 133 specimens of Diplometopon zarudnyi (Squamata: Trogonophidae) collected across its range within Riyadh province of Saudi Arabia. One-way analyses of variance revealed that differences exist in most characters. Snout-vent length and vent-tail length showed slight and inconsistent diff...

journal_title：Saudi journal of biological sciences

authors： Rudayni HA,Al-Sadoon MK,Paray BA

更新日期：2017-05-01 00:00:00

abstract：:Partial root-zone drying during irrigation (PRD) has been shown effective in enhancing plant water use efficiency (WUE), however, the roles of chemical signals from root and shoot that are involved and the possible interactions affected by nitrogen nutrition are not clear. Pot-grown cotton (Gossypium spp.) seedlings w...

journal_title：Saudi journal of biological sciences

authors： Li W,Jia L,Wang L

更新日期：2017-03-01 00:00:00

abstract：:The formation process of algae is described inaccurately and water blooms are predicted with a low precision by current methods. In this paper, chemical mechanism of algae growth is analyzed, and a correlation analysis of chlorophyll-a and algal density is conducted by chemical measurement. Taking into account the inf...

journal_title：Saudi journal of biological sciences

authors： Wang L,Wang X,Jin X,Xu J,Zhang H,Yu J,Sun Q,Gao C,Wang L

更新日期：2017-03-01 00:00:00

abstract：:The paper aimed to screen out genetic markers applicable to early diagnosis for colorectal cancer and establish apoptotic regulatory network model for colorectal cancer, and to analyze the current situation of traditional Chinese medicine (TCM) target, thereby providing theoretical evidence for early diagnosis and tar...

journal_title：Saudi journal of biological sciences

authors： Tian T,Chen C,Yang F,Tang J,Pei J,Shi B,Zhang N,Zhang J

更新日期：2017-03-01 00:00:00

abstract：:In order to systematically study the predatory behavior and digestion regularity of spiders, real-time fluorescence quantification PCR technique was used to detect the number of CO-I genes in Pardosa pseudoannulata after it preyed on rice planthoppers in different temperatures within different periods. At 28 °C, 0, 1,...

journal_title：Saudi journal of biological sciences

authors： Wang B,Li W,Yan H

更新日期：2017-03-01 00:00:00

abstract：:Multiple sclerosis (MS) is an autoimmune disease characterized by demyelination, axonal damage and progressive neurologic dysfunction in central nervous system (CNS). Many evidences show that B cells play an important role in the pathogenesis of MS. Follicular helper T cells (Tfh) secrete IL-21 to prompt the prolifera...

journal_title：Saudi journal of biological sciences

authors： Zhao Z,Mao Z,Yin J,Shu Y,Qiu W,Lu Z,Hu X

更新日期：2017-02-01 00:00:00

abstract：:This study aimed to investigate the in vitro antifungal effectiveness of five different formulations against dandruff and ringworm dermatophytes. Candida albicans was also included in our assays. Fungal susceptibility tests were performed with planktonic cells and biofilms of reference strains. Microbiological and phy...

journal_title：Saudi journal of biological sciences

authors： Dos Santos RM,Dias-Souza MV

更新日期：2017-02-01 00:00:00

abstract：:This study was conducted to determine the compatibility of Contans® (Coniothyrium minitans) with fungicides against Sclerotinia sclerotiorum. Results showed that both Contans® and Topsin® significantly reduced the disease incidence caused by S. sclerotiorum by 90% and 95% survival plants, respectively when they were i...

journal_title：Saudi journal of biological sciences

authors： Elsheshtawi M,Elkhaky MT,Sayed SR,Bahkali AH,Mohammed AA,Gambhir D,Mansour AS,Elgorban AM

更新日期：2017-02-01 00:00:00

abstract：:Green synthesis of nanoparticles using various plant materials opens a new scope for the phytochemist and discourages the use of toxic chemicals. In this article, we report an eco-friendly and low-cost method for the synthesis of silver nanoparticles (AgNPs) using Andean blackberry fruit extracts as both a reducing an...

journal_title：Saudi journal of biological sciences

authors： Kumar B,Smita K,Cumbal L,Debut A

更新日期：2017-01-01 00:00:00

abstract：:Soybean oligosaccharides (SBOSs) are potential prebiotics that may be used to improve immune function. Here, we investigated the effects of intragastric administration of SBOSs in mice to determine the effects on autochthonous intestinal microbial communities and immunological parameters. Results E: After 22-day admin...

journal_title：Saudi journal of biological sciences

authors： Ma Y,Wu X,Giovanni V,Meng X

更新日期：2017-01-01 00:00:00

abstract：:A halotolerant actinobacterial strain isolated from salinity affected soil of Eastern Indo-Gangetic plains (IGP), Uttar Pradesh, India, was characterised for its antagonistic potential against Macrophomina phaseolina by dual-culture assay. It was shown to effectively inhibit the growth of M. phaseolina with an inhibit...

journal_title：Saudi journal of biological sciences

authors： Shrivastava P,Kumar R,Yandigeri MS

更新日期：2017-01-01 00:00:00

abstract：AIM:To compare the angular changes of the third molars relative to the occlusal plane and to the second molar long axis in extraction group and compare these changes with a non extraction group. MATERIALS AND METHODS:The study included pre and post treatment panoramic radiograph records of 90 subjects treated by first...

journal_title：Saudi journal of biological sciences

authors： Durgesh BH,Gowda KH,AlShahrani OA,Almalki AD,Almalki WD,Balharith MM,Motashesh NY,Alkheraif AA,Hashem MI

更新日期：2016-11-01 00:00:00

abstract：:In this study, the mycelial growth rate, mycelial colonization time, yield, and biological efficiency of the edible mushroom Oudemansiella canarii were determined, and the effects of different substrate combinations on productivity, chemical contents and amino acids were evaluated. Lignocellulosic wastes, such as cott...

journal_title：Saudi journal of biological sciences

authors： Xu F,Li Z,Liu Y,Rong C,Wang S

更新日期：2016-09-01 00:00:00

abstract：:This research aimed to study the diversity of purple nonsulfur bacteria (PNSB) and to investigate the effect of Hg concentrations in shrimp ponds on PNSB diversity. Amplification of the pufM gene was detected in 13 and 10 samples of water and sediment collected from 16 shrimp ponds in Southern Thailand. In addition to...

journal_title：Saudi journal of biological sciences

authors： Mukkata K,Kantachote D,Wittayaweerasak B,Techkarnjanaruk S,Boonapatcharoen N

更新日期：2016-07-01 00:00:00

abstract：:In this study, the selenium enriched peanuts and the different solubility proteins extracted from them were investigated. The dried defatted selenium enriched peanuts (SeP) powder (0.3147 μg/g) had a 2.5-fold higher mean total selenium concentration than general peanuts (GP) power (0.1233 μg/g). The SeP had higher con...

journal_title：Saudi journal of biological sciences

authors： Zhao P,Wang Y,Zhang Y,Guo T,Zhang Z,Zhang WJ,Zhang XG,Ashraf MA

更新日期：2016-05-01 00:00:00

abstract：:Over the last decade, communication industries have witnessed a tremendous expansion, while, the biological effects of electromagnetic waves have not been fully elucidated. Current study aimed at evaluating the mutagenic effect of long-term exposure to 900-MHz radiation on alpha-Int1 gene sequences of Candida albicans...

journal_title：Saudi journal of biological sciences

authors： Shahin-Jafari A,Bayat M,Shahhosseiny MH,Tajik P,Roudbar-Mohammadi S

更新日期：2016-05-01 00:00:00

abstract：:To discuss the cold resistance performance of different Herba Rhodiolae and successfully transplant Herba Rhodiolae to the Gansu plateau area for nursing, domestication and planting, this paper systematically studies six physiological and biochemical features of Rhodiola kirilowii, Rhodiola algida, Rhodiola crenulata ...

journal_title：Saudi journal of biological sciences

authors： He S,Zhao K,Ma L,Yang J,Chang Y,Ashraf MA

更新日期：2016-03-01 00:00:00

abstract：:Experiments were conducted to evaluate cadmium (Cd) stress-induced changes in growth, antioxidants and lipid composition of Solanum lycopersicum with and without arbuscular mycorrhizal fungi (AMF). Cadmium stress (50 μM) caused significant changes in the growth and physio-biochemical attributes studied. AMF mitigated ...

journal_title：Saudi journal of biological sciences

authors： Hashem A,Abd Allah EF,Alqarawi AA,Al Huqail AA,Egamberdieva D,Wirth S

更新日期：2016-03-01 00:00:00

abstract：:Prediction of a complex super-secondary structure is a key step in the study of tertiary structures of proteins. The strand-loop-helix-loop-strand (βαβ) motif is an important complex super-secondary structure in proteins. Many functional sites and active sites often occur in polypeptides of βαβ motifs. Therefore, the ...

journal_title：Saudi journal of biological sciences

authors： Sun L,Hu X,Li S,Jiang Z,Li K

更新日期：2016-01-01 00:00:00

abstract：:Feeding ecology of any species can help us to understand its natural history, ecological requirements and approaches involved in searching for food. Feeding ecology and sexual dimorphism in the horned viper, Cerastes cerastes gasperetti collected from the Al-Thumama area, central region of Saudi Arabia was described. ...

journal_title：Saudi journal of biological sciences

authors： Al-Sadoon MK,Paray BA

更新日期：2016-01-01 00:00:00

abstract：:The aim of this study was to observe the treatment characteristics of verbenalin on a prostatitis mouse model. Give Xiaozhiling injection in the prostate locally to make a prostatitis mouse model. High, medium and low doses of verbenalin were each given to different mouse groups. The amount of water was determined in ...

journal_title：Saudi journal of biological sciences

authors： Miao M,Guo L,Yan X,Wang T,Li Z

更新日期：2016-01-01 00:00:00

abstract：:This paper studies the global behaviors of a nonlinear autonomous neutral delay differential population model with impulsive perturbation. This model may be suitable for describing the dynamics of population with long larval and short adult phases. It is shown that the system may have global stability of the extinctio...

journal_title：Saudi journal of biological sciences

authors： Xiong W,Jiang H

更新日期：2016-01-01 00:00:00

abstract：:Raw meat can harbor pathogenic bacteria, potentially harmful to humans such as Escherichia coli O157:H7 causing diarrhea and hemolytic-uremic syndrome (HS). Therefore, the current study was carried out to evaluate the prevalence and the molecular detection characterization of E. coli serotype O157:H7 recovered from ra...

journal_title：Saudi journal of biological sciences

authors： Hessain AM,Al-Arfaj AA,Zakri AM,El-Jakee JK,Al-Zogibi OG,Hemeg HA,Ibrahim IM

更新日期：2015-11-01 00:00:00

abstract：:The interaction between Meloidogyne incognita (race 2) and Rhizoctonia solani (AG 4) in a root rot disease complex of green beans (Phaseolus vulgaris) was examined in a greenhouse pot experiment. Three week-old seedlings (cv. Contender) were inoculated with the nematode and/or the fungus in different combinations and ...

journal_title：Saudi journal of biological sciences

authors： Al-Hazmi AS,Al-Nadary SN

更新日期：2015-09-01 00:00:00

abstract：:The evolution of nanotechnology and the production of nanomedicine from various sources had proven to be of intense value in the field of biomedicine. The smaller size of nanoparticles is gaining importance in research for the treatment of various diseases. Moreover the production of nanoparticles is eco-friendly and ...

journal_title：Saudi journal of biological sciences

authors： Banala RR,Nagati VB,Karnati PR

更新日期：2015-09-01 00:00:00