Muhammad Aslam
...on systems, accelerating diffusion and adoption of latest agriculture technologies and inputs, enhancing good quality seed production, improving irrigation water management and improving reclamation and drainage....
Iram Liaqat1*, Najma Arshad2, Muhammad Arshad3, Safdar Ali Mirza4, Nazish Mazhar Ali1 and Ammara Shoukat1
...fied isolates. Agar well diffusion assay was used to monitor the antimicrobial activity of these strains both in mono culture and mixed culture. Streptomycin sulphate (10 μgml-1) and Amphotericin B (5 mgml-1) were used as positive controls. Minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of plant extracts was also determined. Syzygium aromaticum was proven to have excellent antimicrobial activity against all tested microo...
Sana Irshad Khan1*, Zafar Iqbal2, Hamid Ullah Shah2 and Shaukat Hussain3
...rence (EtOAc) using disc diffusion method. However, the same concentration of crude (1 µg.mL-1) showed 62.20 ± 2.51% growth inhibitions against Fusarium oxysporum using agar well diffusion method. Further investigation, including various chromatographic and spectroscopic analyses on the separation and isolation of potent metabolites is suggested to get a useful lead structure for development of novel antibiotics...
Amjad Islam Aqib1, Muhammad Ijaz1,*, Aneela Zameer Durrani1, Aftab Ahmad Anjum2, Riaz Hussain3, Saba Sana2, Shahid Hussain Farooqi1, Kashif Hussain1 and Syed Saleem Ahmad1
...four antibiotics by disc diffusion method. Over all mastitis was found 52.5% (63/120) with leading subclinical (41.67%, 50/120) form of mastitis on overall milk collected data. Pathogen type was crowned by Staph. aureus with 74.5% (47/63) prevalence, following which were Streptococcus species (17.45%, 11/63), E. coli (3.17%, 2/63), and Bacillus cereus (4.76%, 3/63). Coagulase positive Staph. aureus (41 out of 47), and hemolys...
Mirza Imran Shahzad1,*, Anna Iqbal2, Farrah Ali1, Nuzhat Sial3, Muhammad Ashfaq4, Abul Hasanat5 and Azra Khanum6
...e measured by using disc diffusion method. Supernatant fraction of E. coli was positive against Sal. typhi and supernatant fraction of P. multocida was positive against E. coli, which show that antimicrobial agents were secretory in nature. Sonicated fractions were on second order to produce antimicrobial activities. The freeze thaw method was least effective in secreting active antimicrobial agents from tested ...
Anil Sehajpal, Saroj Arora and Parminder Kaur
Evaluation of plant extracts against Rhizoctonia solani causing sheath blight of rice
...ni was evaluated by disc diffusion method. Out of 44 plants tested, 36 plant extracts showed varied degree of antimicrobial effect at different concentrations against the pathogen whereas 8 plant extracts, viz. Abrus precatorious, Acacia auriculiformis, Bougainvillea glabra, Convolvulus arvensis, Hibiscus rosa-sinensis, Morus alba, Thevatia peruviana, and Withania somnifera did not exert any effect. Among all the plant extracts, A. sativum exhibited strong fun...
Bushra Niaz1,*, Tahir Zahoor1, Muhammad Atif Randhawa1 and Amer Jamil2
...horesis (SDS-PAGE). Disc diffusion method was applied for the evaluation of antibacterial activity of lactoferrin. Minimum inhibitory concentration (MIC) of lactoferrin was determined by 96-well plate method using ELISA reader. Results depicted that CM-Sephadex C-25 was a good cation exchanger for recovery of lactoferrin. Camel raw milk produced 2.4 mg/mL of lactoferrin. The lactoferrin isolated from camel milk exhibited promising antibacterial activity agains...
Jawad Anwar* and Zafar Iqbal
...re evaluated, using disc diffusion method against tomato wilt causing bacteria (Xanthomonas campestris and Clavibacter michiganensis). Extracts that resulted in strong activity were fractionated into acetonitrile and ethyl acetate followed by testing against human pathogenic bacterial strains (Eschericia coli, Pseudomonas aeruginosa and Staphylococcus aureus) using 96 well microtitre plate method. The Ethyl acetate fraction showed maximum zone of inhibition (2...
Muhammad Usman Qamar1, 2, Sidrah Saleem1, Usman Arshad1, Muhammad Farhan Rasheed3, Hasan Ejaz4, Naveed Shahzad5 and Shah Jahan6,*
...s performed by agar well diffusion assay and microbroth dilution assay respectively. All isolates (n=5) were carbapenamase and MBL producers andNDM-1 gene carrier. These isolates displayed significant resistance against commonly used antibiotics including carbapenem and colistin proved to be most effective drug. Manuka honey manifested significant antibacterial activity against all test isolates with almost similar zone of inhibition (7.4mm) except E. cloac...
Mahboob Ali1, Muhammad Avais1, Riaz Hussain2, Kashif Prince1,*, Muhammad Ijaz1, Mamoona Chaudhry 3, Sehrish Firyal4, Amjad Islam Aqib1, Naimat Ullah Khan5 , Mian Saeed Sarwar5, Hazrat Ali5, Shahid Hussain Farooqi1, Ikramul Haq1 and Muhammad Sajid Hasni3
... MDR isolates using disk diffusion method. MDR were tested in vitro for response against various antibiotics. A questionnaire was filled for estimation of association of assumed risk factors with prevalence. Nonparametric tests at 5% probability were applied to check significance of results. The study noted overall 33.98% (123/362) of MDR S. aureus from subclinical mastitis milk samples while 123 of 192 S. aureus isolates (64.06%) were con...
Aslam Memon, A. M. Khushk* and Umer Farooq**
...ing slowness of varietal diffusion. Very high variations in varietal diffusion indicators were also observed across provinces, farm size and tenancy status categories.In conclusion, despite that major proportion of total sugarcane area was planted under recommended varieties, the varietal diffusion process among sugarcane growers all over the country was taking place on informal grounds an...
Amir Khatam*, Sher Muhammad, and Ijaz Ashraf**
ROLE OF INDIVIDUAL CONTACT METHODS IN DISSEMINATION OF AGRICULTURAL TECHNOLOGIES
...idual contact methods in diffusion of agricultural technologies from 280 randomly selected farmer respondents. Researchers collected the data with the help of a pretested and validated interview schedule using survey technique. The results show that majority of the farmer respondents is aware of the farm visits (66.43%), demonstrations being conducted (62.50%) and home visits made by the extension staff (60.71%) as extension methods for dissemination of agricu...
Aqeela Ashraf1,2,*, Muhammad Imran1 and Yung-Fu Chang2
...ng was performed by disk diffusion method. Resistance and virulence genes were detected by PCR. The results showed that 100% of isolates were resistant to penicillin, 54% to ampicillin, 44% to tetracycline and 30% to streptomycin, while none of them was resistant to chloramphenicol. These E. coli isolates carried one or more antimicrobial resistance genes. Genes present with highest frequency were tetA (42%), tetB (28%) and ampC (26...
Sahar Naz1, Farhan Rasheed2, Muhammad Saeed3*, Shagufta Iram4 and Ambereen Anwar Imran5
...modified Kirby Baur disc diffusion method. Zone sizes were interpreted according to CLSI 2016 guidelines. Next day every carbapenem-resistant isolate were further processed for MβL detection by EDTA method, zone size of Carbapenem disc only and Carbapenem disc impregnated with EDTA was compared ( >7 mm increase MβL positive, 0-5 mm increase MβL-negative).
Results: Out of total 12126 samples, 35.9% (n=4361) were culture posi...
Tanveer Hussain1,*, Masroor Ellahi Babar1, Marcos De Donato2, Abdul Wajid1, Asif Nadeem3, Zahoor Ahmad3, Waqas Ahmad Khan4, Sunday O. Peters5 and Ikhide G. Imumorin6
...ers of domestication and diffusion of modern day cattle. To better understand the origin and genetic diversity of native cattle breeds (Bos indicus) in Pakistan, partial sequencing of the mitochondrial gene cytochrome b (339 bp) was done in 136 individuals from 10 different breeds. Analysis of the Cyt b gene showed high conservation in Pakistani cattle as expected, with only 26 individuals showing nucleotide changes. Only 5 point mutations were present ...
Arifa Mehreen1, Iram Liaqat2,Muhammad Arshad3, Muzzamil Waheed4 and Najma Arshad1,*
...r methods. The agar disc diffusion method was used to evaluate the antibiotic susceptibility. Virulence-associated genes were detected using PCR while association analysis was used to test the likelihood of strains carrying combinations of genes involved in toxin production and/or host immune evasion. Highest resistance was observed against beta-lactam group followed by cephalosporin, lincosamide, tetracycline, macrolides and aminoglycosides. No resistance was...
Junaid Akhtar1,2, Sidrah Saleem1, Naveed Shahzad3, Abdul Waheed1, Iqra Jameel1, Farhan Rasheed4 and Shah Jahan5,*
...(MHT) and combined disks diffusion (CDD) method, respectively. The MBL producing clinical isolates were further subjected to PCR for the existence of blaIMP and blaVIM genes. The carbapenem resistant A. baumannii (n=32), P.aeruginosa (n=26), K. pneumoniae (n=19), E. coli (n=16), C. ferundi (n=04), P. vulgaris (n=02) and E. cloacae (n=01), were isolated from clinical samples of...
Nimra Naseer, Adeela Fatima and Imran Sajid*
...reak, agar plug and well diffusion method were performed. Seven Streptomyces strains including NWMD-6, NWMD-7, NWMD-10, NWMD-11, NWMD-12, NWMD-15 and NWMD-16 were found to have significant antimicrobial activity against MDR bacterial pathogens. Secondary metabolite profiling of each methanolic extract by TLC and HPLC-UV signified the presence of unique and diverse metabolic compounds. The study predicts that the seactinomycetes strains are a potential r...
Mehwish Aftab, Tariq Mahmud*, Muhammad Asim Raza Basra, Aqsa Gulzar, Sumaira Basharat and H.M. Junaid
...i, S. aureus by disc diffusion method and antifungal activity against Macrophomina phaseolina, Fusarium oxysporum. The metal (III) complexes are highly active under permissible limits.
...
Asma Sohail1*, Kashif Sarfraz Abbasi1, Maryum Arif2 and Fatima Najam1
...sion method and indirect diffusion method using Ca-alginate. Pumpkin seed oil macrospheres showed 91.9 % encapsulation efficiency and 63.0 % loading capacity by direct extrusion method. However, indirect or diffusion method showed 43.0 % and 24.7 %. These results showed that direct method of encapsulation was suitable for oils to achieve maximum encapsulation efficiency and loading capacity at higher concentration of calcium...
Nadia Khan1*, Abdul Waheed1, Farrukh Siyar Hamid1, Naveed Ahmed1, Zafar Iqbal2, Seemab Ali1, Madiha Bashir1 and Hina Gul3
...cted seed oil, Agar well diffusion assay was employed. Effectiveness of the oil against selected bacterial species was measured in terms of zone of inhibition in millimeters. Amoxicillin was used as a positive control. The results showed that Clavibacter sp. and E. coli exhibit resistant to the oil extract while Xanthomonas sp. displayed nil results. The present study thus reveals that either the used bacterial species are more resistant strains or the oil ext...
Syed Atif Hasan Naqvi1*, Ummad-ud-Din Umar1, Ammarah Hasnain2, Ateeq ur Rehman1 and Rashida Perveen1
... by poison food and disk diffusion techniques while best effective seven were trialed in glass house and field experiments to determine their efficacy against Xanthomonas oryzae pv. oryzae. In vitro and in vivo studies under different conditions showed significant response of Mentha piperita, Azadirachta indica and Aloe vera either tested individually or in combination of two or more than two decoctions against the bacterium in question. When used individually...
Nazish Mazhar Ali1, Saiqa Andleeb2, Bushra Mazhar1, Anum Imtiaz1, Shaukat Ali2*
Assessment of antibiogram and resistogram of pathogenic bacteria isolated from irrigated wheat field water
... agar disc and agar well diffusion methods. Optimum temperature for growth of all bacterial strains was 37oC and pH 7 except Salmonella which had pH 6. Among all the antibiotics Oxacillin was less potent as three bacterial strains showed resistance against it while others antibiotics were more potent. Minimum inhibitory concentration of heavy metals for all bacterial isolates was different. It was concluded that irrigated pathogenic bacteria are highly resista...
Muhammad Hidayat Rasool1,*, Muhammad Zaheer1, Muhammad Farooque Hassan2, Muhammad Shafique1 and Muhammad Usman Qamar1
Sabi-Ur-Rehman1, Anwar Khalid2, Qazi Najam Us Saqib3, Farooq Ahmad1, Shaheed-Ur-Rehman4, Neelam Zaman3, Ayeza Mehmood5 and Abdul Samad6*
...occa saligna, using disc diffusion method. The tested bacterial strains include, B. subtilis, E. coli, S. aureus, P. fluorescens and fungal strains were Aspergillus. niger, A. flavus, and D. turcica. The maximum zones of inhibition, 23.00±0.56 mm and 25.00±0.50 mm was given by ethyl acetate fraction of leaves against P. fluorescens and A. niger respectively. The crude saponins isolated from leaves did not give significant results against the test...
Umar Farooq Gohar1, Hamid Mukhtar1,*, Ali Nawaz1, Ikram-ul-Haq1 and Asad Mehmmood2
...ity was assessed by disc diffusion method. Cephalosporin production was estimated by using spectrophotometric technique.
...
Ayesha Khan*, Zubair Ahmad Khan, Urooba Pervaiz And Mehmood Iqbal
...ssociation exist between diffusion of improved practices with adoption constraints and best teaching method used, while significant association exist with frequently used contact method. It is recommended that necessary inputs on subsidised rates should be provided to extension agents to make extension services more farmers friendly ...
Tahira Moeen Khan* and Amat ul Mateen
...as observed by agar well diffusion method.
...
Sumreen Hayat1,6, Muhammad Hussnain Siddique2, Bilal Aslam1, Habibullah Nadeem2, Asma Ashraf3, Muhammad Saqalein1, Mohsin Khurshid4, Naveed Shahzad5 and Saima Muzammil1,*
...m was determined by disc diffusion method and isolates were screened for ESBL production using double-disc synergy test (DDST). Molecular detection for the presence of bla-SHV and bla-TEM was carried out by polymerase chain reaction (PCR). Of 392 blood and urine samples, 120 were found positive for microbial growth. Antibiotic susceptibility testing of K. pneumoniae isolates illustrated high resistance to ceftazidime (95.6%). Phenotypicall...
Emel Banu Buyukunal1,*, Rojan Ibrahim Albazaz1 and Mehmet Ali Bal2,3
...sulfamethoxazole by disk diffusion method. Double-disk synergy test (DDST) was also performed for detection of Extended Spectrum β-Lactamase (ESBL)-producing organisms. As a result, majority of poultry isolates was susceptible to most of the tested antibiotics and highest resistance rates were detected for ciprofloxacin (2.8%) followed by ertapenem, imipenem, meropenem with equal resistance rates of 1.4% with CLSI interpretative criteria. However, analyzi...
Sher Bahadar Khan1,2,*, Zou Geng1, Cheng Yu-ting1, Asad Sultan3, Mumtaz Ali4,5, Irshad Ahmad6 and Rui Zhou1
...M) according to the disc diffusion method and antibiotic resistant genes {tet(A), tet(B), tet(C), strA/strB, aadA, aac(3)IV), aadB, sul1, sul2 and sul3, blaCMY-2, blaTEM and blaSHV} using mPCR. Resistance for LIN was the highest in overall (96.3%, 77/80) isolates as well as from pig farms (100%, 20/20) and different markets (100%, 20/20, 85%, 17/20). Resistance for other antibiotics such as AMX, TET, AMP and SXT was found 82.5% (66/80), 63.7% (51/80), 58.7% (4...
Shafqat Husnain Khan1, Shah Jahan2, Irshad Ahmad3,4, Sadeeq ur Rahman5,* and Tayyab ur Rehman4,*
...ers, while combined disc diffusion test identified 28 isolates as MBL producers among them. Of all carbapenemase producers, 25 isolates (30.8%) of carbapenemase-producing E. coli were found to harbor bla-VIM gene, while 13 isolates (16.04%) were found to carry blaIMP gene. We report on high incidence rate of carbapenemase producers among carbapenem resistant E. coli isolates.
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Nida Zia1, *, Ayesha Maqbool2, Muhammad Safdar3, Umm-I-Habiba1, Altaf Mehmood4, Muhammad Usman5, Zahid Iqbal6, Javed Iqbal6, Shahid Mehmood6, Amanullah Khan7 and Sajid Umar8
...oaches to evaluate FAdVs diffusion and characterization to design effective control strategies.
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Xiaopeng Tang1,2, Rejun Fang3,4,*, Guochang Pan1,2 and Kangning Xiong1,2,*
...< 0.05) the phosphate diffusion across intestinal mucosa significantly. According to the results, the Ussing chamber system can use to evaluate phosphate diffusion across intestinal mucosa, and EGF may inhibit the absorption of phosphorus.
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