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Qazi AA, Ali M, Jabeen F, Iqbal R, Iqbal MA, Latif M, Farooq Z, Kausar T, Naz A, Naqvi SAA, Hussain S, Mahmood MT, Malik K, Hakim A, Ullah H, Tariq N, Jalbani S. Presence of selected organochlorine pesticides (OCPs) in sediments and biota of River Satluj, Pakistan: first report. BRAZ J BIOL 2023; 83:e243905. [DOI: 10.1590/1519-6984.243905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 01/19/2021] [Indexed: 11/16/2022] Open
Abstract
Abstract In the developed countries, the use of OCPs (organochlorine pesticides) has been banned. However, in South Asia several of them are still in use. In Pakistan and India a constant addition of OCPs into the atmosphere has been indicated by various researchers. In this study levels of selected organochlorine pesticide residues were assessed in sediment and biota collected from four (4) water reservoirs (3 Barrages & 1 Siphon) on the River Satluj Pakistan, along 231 miles (372 km) of River stretch which was further divided into 12 sampling sites. It was aimed to find out the levels of organochlorine pesticide (OCPs) residues in sediments and from selected fish species (Labeo rohita, Wallagu attu, Cyprinus carpio) of the River Satluj Pakistan. The Organochlorine residues (seven pesticides) present in samples of sediments and biota were investigated through multi residue method, using Gas Chromatograph (GC-ECD).In the current study, the concentration of DDT, was investigated in Wallago attu (0.786-3.987 ppb), Labeo rohita (0.779-4.355 ppb) and Cyprinus carpio (1.234-5.654 ppb). DDE was also found in Cyprinus carpio (1.244-6.322 ppb), Wallag attu (0.877-4.221 ppb) and Labeo rohita (2.112-5.897 ppb). Aldrin was not observed in Labeo rohita and Wallago attu. Currently, lindane and DDE was found predominately high in the sediments of study area at SZ-4 (Panjnad Barrage) ranging (2.238-8.226 ppb) and (4.234-6.876 ppb), respectively. Heaptachlor was found only at SZ-4 (Panjnad Barrage) from the sediments with concentration ranging (0.032-234 ppb). In short all other residues investigated were found below the MCL (maximum concentration level) in all the compartments of the study area set by various agencies like WHO/FAO- Codex Alimenterious.
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Affiliation(s)
- A. A. Qazi
- Cholistan University of Veterinary and Animal Sciences, Pakistan
| | - M. Ali
- Quaid e Azam University, Pakistan
| | | | - R. Iqbal
- Bahuddin Zakariya University, Pakistan
| | | | - M. Latif
- University of Education, Pakistan
| | - Z. Farooq
- Cholistan University of Veterinary and Animal Sciences, Pakistan
| | - T. Kausar
- Sadiq College Women University, Pakistan
| | - A. Naz
- Children Hospital and Institute of Child Health, Pakistan
| | | | | | - M. T. Mahmood
- Cholistan University of Veterinary and Animal Sciences, Pakistan
| | | | - A. Hakim
- Muhammad Nawaz shareef University of agriculture, Pakistan
| | - H. Ullah
- The Islamia University of Bahawalpur, Pakistan
| | - N. Tariq
- Sardar Bahadur Khan Women University, Pakistan
| | - S. Jalbani
- Shaheed Benazir Bhutto University of Veterinary & Animal Sciences, Pakistan
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Wells R, Acartuk C, Almeamari F, Alokoud M, Beetar A, Eldardery H, Elshazly M, Faruk O, Ginem M, Hadzi-Pavlovic D, Ilkkurşun Z, Jahan S, Joshi R, Klein L, Kurdi L, Kurt G, Mastrogiovanni C, Mozumder M, Lekkeh S, Némorin S, Nicholson Perry K, Orabi M, Qasim J, Steel Z, Tavakol M, Ullah H, Uygun E, Wong S, (Fischer) Yan L, Said Yousself R, Zarate A, Rosenbaum S. Caring for carers: A virtual psychosocial supervision intervention to improve the quality and sustainability of mental health and psychosocial support in humanitarian contexts. Eur Psychiatry 2022. [PMCID: PMC9567842 DOI: 10.1192/j.eurpsy.2022.2295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Introduction Mental health and psychosocial support (MHPSS) staff in humanitarian settings have limited access to clinical supervision and are at high risk of experiencing burnout. We previously piloted an online, peer-supervision program for MHPSS professionals working with displaced Rohingya (Bangladesh) and Syrian (Turkey and Northwest Syria) communities. Pilot evaluations demonstrated that online, peer-supervision is feasible, low-cost, and acceptable to MHPSS practitioners in humanitarian settings. Objectives
This project will determine the impact of online supervision on i) the wellbeing and burnout levels of local MHPSS practitioners, and ii) practitioner technical skills to improve beneficiary perceived service satisfaction, acceptability, and appropriateness. Methods MHPSS practitioners in two contexts (Bangladesh and Turkey/Northwest Syria) will participate in 90-minute group-based online supervision, fortnightly for six months. Sessions will be run on zoom and will be co-facilitated by MHPSS practitioners and in-country research assistants. A quasi-experimental multiple-baseline design will enable a quantitative comparison of practitioner and beneficiary outcomes between control periods (12-months) and the intervention. Outcomes to be assessed include the Kessler-6, Harvard Trauma Questionnaire and Copenhagen Burnout Inventory and Client Satisfaction Questionnaire-8. Results A total of 80 MHPSS practitioners will complete 24 monthly online assessments from May 2022. Concurrently, 1920 people receiving MHPSS services will be randomly selected for post-session interviews (24 per practitioner). Conclusions This study will determine the impact of an online, peer-supervision program for MHPSS practitioners in humanitarian settings. Results from the baseline assessments, pilot evaluation, and theory of change model will be presented. Disclosure No significant relationships.
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Ullah H, Khan F, Taha M, Rahim F, Sarfraz M, Aziz A, Ullah S, Khan MU, Ullah M. New Thiazole-Bearing Oxadiazole Derivatives: Synthesis, Thymidine Phosphorylase Inhibitory Potential, and Molecular Docking Study. Russ J Org Chem 2022. [DOI: 10.1134/s1070428021120150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Mubeen S, Rauf A, Ullah H, Qureshi AM, Hussain GS, Khan F. Synthesis and Biological Evaluation of Malononitrile-Based Sulfonamide Analogs. Russ J Org Chem 2021. [DOI: 10.1134/s1070428021100195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Jan T, Gul S, Khan A, Pervez S, Noor A, Amin H, Bibi S, Nawaz MA, Rahim A, Ahmad MS, Azam R, Ullah H. Range of factors in the reduction of hyperhydricity associated with in vitro shoots of Salvia santolinifolia Bioss. BRAZ J BIOL 2021; 83:e246904. [PMID: 34706025 DOI: 10.1590/1519-6984.246904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 07/05/2021] [Indexed: 11/22/2022] Open
Abstract
Hyperhydricity is a serious physiological disorder and affects In vitro propagation of many plants and as well of Salvia santolinifolia. The donor material to initiate the in vitro culture was the callus taken from the in vitro shoots produced on Murashig and Skoogs (MS) medium at 4.0 mg/l BA. This callus formed numerous hyperhydric shoots on culturing upon the medium of the same composition. The aim was to systematically evaluate the effect of cytokinins (Benzyladnine (BA) and N6-(-2-isopentenyl) adenine (2iP), culture vessels magnitude, medium solidification, source of nitrogen and calcium chloride for the alleviation of hyperhydricity. In the tissue cultures of S. santolinifolia BA and 2iP induced severe hyperhydricity, when other factors i.e. culture vessels magnitude and a suitable concentration of agar, ammonium nitrate (NH4NO3), potassium nitrate (KNO3) & calcium chloride (CaCl2.2H2O) were not optimized. After 30 days' culture, we observed 83.82% hyperhydric shoots at increased level (1.5 mg/l 2iP) and 81.59% at decreased levels (1.0 mg/l 2iP). On the other hand, hyperhydricity percentage at decreased (0.4%) and at increased (0.8%) levels of agar were 72.37% and 39.08%, respectively. MS medium modification with NH4NO3 (412 mg/l), KNO3 (475 mg/l) and CaCl2.2H2O (880 mg/l) was found the best medium to reduced hyperhydricity (23.6%).
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Affiliation(s)
- T Jan
- University of Malakand, Department of Botany, Plant Tissue Culture Laboratory, Dir lower, Khyber Pakhtunkhwa, Pakistan
| | - S Gul
- University of Malakand, Department of Botany, Plant Tissue Culture Laboratory, Dir lower, Khyber Pakhtunkhwa, Pakistan
| | - A Khan
- University of Lakki Marwat, Department of Biological Sciences, Khyber Pakhtunkhwa, Pakistan
| | - S Pervez
- Shaheed Benazir Bhutto Women University, Department of Biochemistry, Peshawar, Khyber Pakhtunkhwa, Pakistan
| | - A Noor
- Karakoram International University, Department of Biological Sciences, Gilgit-Baltistan, Pakistan
| | - H Amin
- University of Malakand, Department of Botany, Plant Tissue Culture Laboratory, Dir lower, Khyber Pakhtunkhwa, Pakistan
| | - S Bibi
- University of Malakand, Department of Botany, Plant Tissue Culture Laboratory, Dir lower, Khyber Pakhtunkhwa, Pakistan
| | - M A Nawaz
- Shaheed Benazir Bhutto University, Department of Biotechnology, Sheringal, Dir Upper, Pakistan
| | - A Rahim
- University of Malakand, Department of Zoology, Dir lower, Khyber Pakhtunkhwa, Pakistan
| | - M S Ahmad
- University of Malakand, Department of Botany, Plant Tissue Culture Laboratory, Dir lower, Khyber Pakhtunkhwa, Pakistan
| | - R Azam
- University of Malakand, Department of Botany, Plant Tissue Culture Laboratory, Dir lower, Khyber Pakhtunkhwa, Pakistan
| | - H Ullah
- University of Malakand, Department of Botany, Plant Tissue Culture Laboratory, Dir lower, Khyber Pakhtunkhwa, Pakistan
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Rashid G, Nasir A, Avais M, Adil M, Sikandar A, Kashif M, Irshad I, Ullah H. Effect of garlic supplementation on zootechnical performance and hepato-renal functions in nitrate-treated rabbits. S AFR J ANIM SCI 2021. [DOI: 10.4314/sajas.v51i4.10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The effect of garlic supplementation on zootechnical performance and hepato-renal functions of rabbits exposed to experimental nitrate poisoning was evaluated. Adult male 6-8 week-old albino rabbits (n= 24) were randomly divided into four groups (A - D) and subjected to nitrate intoxication through the oral administration of sodium nitrate solution at 2 ml/kg bodyweight per day for 40 days. Group A was a control that received no treatment except sodium nitrate. Rabbits in groups B and C were treated with 1% methylene blue solution (2 mg/kg bodyweight per day) and aqueous garlic extract (500 mg/kg bodyweight per day) through intraperitoneal and oral routes, respectively. Rabbits in group D were treated with both 1% methylene blue solution (2 mg/kg bodyweight per day, intraperitoneally) and aqueous garlic extract (500 mg/kg bodyweight per day, orally). On completion of the treatment period, the groups were compared in growth performance, biochemical profile and histopathological changes of hepato-renal tissues. Although the total feed consumption of the groups remained comparable, Group C showed relatively better weight gain and feed conversion ratio (FCR). Likewise, garlic extract significantly increased the serum bilirubin concentration and reduced the level of other biochemical attributes in comparison with control animals. The hepatic and renal tissues of Groups C and D remained normal, whereas those of the control group exhibited distinct histopathological alterations. It was concluded that garlic supplementation ameliorated the deleterious effects of nitrate intoxication on production performance and hepato-renal functions of rabbits.
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Arbab S, Ullah H, Wei X, Wang W, Ahmad SU, Zhang J. Drug resistance and susceptibility testing of Gram negative bacterial isolates from healthy cattle with different β - Lactam resistance Phenotypes from Shandong province China. BRAZ J BIOL 2021; 83:e247061. [PMID: 34468524 DOI: 10.1590/1519-6984.247061] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 02/23/2021] [Indexed: 02/08/2023] Open
Abstract
The objective of this study was to evaluate the effectiveness of common antibiotics against different microorganisms in apparently healthy cattle in Shandong province and its suburb. A total of 220 nasal swab samples were collected and cultured for bacteriological evaluation. All the bacteria isolates after preliminary identification were subjected to antibiogram studies following disc diffusion method. It was found in the study that E. coli is the most commonly associated isolate (21%), followed by Klebsiella spp. (18%), Pseudomonas aeruginosa (13%), Salmonella spp. (15%), Shigella spp (12%), and Proteus spp (11%). While the antibiogram studies reveled that highest number of bacterial isolates showed resistance to Ampicillin (95%), followed by Augmentin (91%), Cefuroxime (85%) and Tetracycline (95%) of (Escherichia coli and Klebsiella spp). In the case of pseudomonas spp. and Salmonella the highest resistance was showed by Ampicillin (90%) followed by Amoxicillin + Clavulanic Acid (80%), Cefixime (90%), and Erythromycin (80%). In Shigella spp and Salmonella spp highest resistance was showed by Amoxicillin, Ceftazidime, Augmentin (60%), and Amoxicillin + Clavulanic Acid (50%). It is concluded that in vitro antibiogram studies of bacterial isolates revealed higher resistance for Ampicillin, Augmentin, Cefuroxime, Cefixime, Tetracycline, Erythromycin, and Amoxicillin + Clavulanic Acid. The high multiple Antibiotics resistance indexes (MARI) observed in all the isolates in this study ranging from 0.6 to 0.9. MARI value of >0.2 is suggests multiple antibiotic resistant bacteria and indicate presence of highly resistant bacteria.
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Affiliation(s)
- S Arbab
- Ministry of Agriculture, Key Laboratory of Veterinary Pharmaceutical Development, Lanzhou, China.,Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, China.,Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou, China
| | - H Ullah
- Sichuan University, West China School of Nursing, West China Hospital, Department of Nursing, Chengdu, China
| | - X Wei
- Ministry of Agriculture, Key Laboratory of Veterinary Pharmaceutical Development, Lanzhou, China.,Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, China.,Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou, China
| | - W Wang
- Ministry of Agriculture, Key Laboratory of Veterinary Pharmaceutical Development, Lanzhou, China.,Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, China.,Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou, China
| | - S U Ahmad
- Ministry of Agriculture, Key Laboratory of Veterinary Pharmaceutical Development, Lanzhou, China.,Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, China.,Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou, China
| | - J Zhang
- Ministry of Agriculture, Key Laboratory of Veterinary Pharmaceutical Development, Lanzhou, China.,Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, China.,Key Laboratory of New Animal Drug Project of Gansu Province, Lanzhou, China
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Iqbal T, Jahan S, Ain QU, Ullah H, Li C, Chen L, Zhou X. Ameliorative effects of morel mushroom (Morchella esculenta) against Cadmium-induced reproductive toxicity in adult male rats. BRAZ J BIOL 2021; 82:e250865. [PMID: 34378681 DOI: 10.1590/1519-6984.250865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 06/30/2021] [Indexed: 11/22/2022] Open
Abstract
Cadmium (Cd) is one of the major toxicants, which affects human health through occupational and environmental exposure. In the current study, we evaluated the protective effects of morel mushrooms against Cd-induced reproductive damages in rats. For this purpose, 30 male rats were divided into 6 groups (n=5/group), the first group served as the control group, second group was treated with an intraperitoneal (i.p) injection of 1 mg/kg/day of Cd. Third and fourth groups were co-treated with 1 mg/kg/day of Cd (i.p) and 10 and 20 mg/kg/day of morel mushroom extract (orally) respectively. The final 2 groups received oral gavage of 10 and 20 mg/kg/day of morel mushroom extract alone. After treatment for 17 days, the animals were euthanized, and testes and epididymis were dissected out. One testis and epididymis of each animal were processed for histology, while the other testis and epididymis were used for daily sperm production (DSP) and comet assay. Our results showed that Cd and morel mushrooms have no effect on animal weight, but Cd significantly decreases the DSP count and damages the heritable DNA which is reversed in co-treatment groups. Similarly, the histopathological results of testes and epididymis show that morel mushrooms control the damage to these tissues. Whereas the morel mushroom extract alone could enhance the production of testosterone. These results conclude that morel mushrooms not only control the damage done by Cd, but it could also be used as a protection mechanism for heritable DNA damage.
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Affiliation(s)
- T Iqbal
- Jilin University, College of Animal Science and Veterinary Medicine, Lab of Animal Genetics, Breeding and Reproduction, Changchun, China.,Quaid-i-Azam University, Department of Animal Sciences, Reproductive Physiology Lab, Islamabad, Pakistan
| | - S Jahan
- Quaid-i-Azam University, Department of Animal Sciences, Reproductive Physiology Lab, Islamabad, Pakistan
| | - Q Ul Ain
- Quaid-i-Azam University, Department of Animal Sciences, Reproductive Physiology Lab, Islamabad, Pakistan
| | - H Ullah
- Quaid-i-Azam University, Department of Animal Sciences, Reproductive Physiology Lab, Islamabad, Pakistan
| | - C Li
- Jilin University, College of Animal Science and Veterinary Medicine, Lab of Animal Genetics, Breeding and Reproduction, Changchun, China
| | - L Chen
- Jilin University, College of Animal Science and Veterinary Medicine, Lab of Animal Genetics, Breeding and Reproduction, Changchun, China
| | - X Zhou
- Jilin University, College of Animal Science and Veterinary Medicine, Lab of Animal Genetics, Breeding and Reproduction, Changchun, China
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Khan W, Das SN, Ullah H, Panhwar WA, Ahmed S, Ahmad MS, Kamal M, Ahmad A, Mohsin MU, Hussain A, Khaliq G, Hussain I. Distribution of commensal rodents in some shops of three districts in Malakand region, Pakistan. BRAZ J BIOL 2021; 82:e238735. [PMID: 34037077 DOI: 10.1590/1519-6984.238735] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 07/27/2020] [Indexed: 11/21/2022] Open
Abstract
Using wire mesh live traps distribution pattern of the Rattus rattus and Mus musculus in different shops of three districts of Malakand region, Pakistan were recorded from September 2014 to October 2015. Over all 103 rodents (Rattus rattus 86 and Mus musculus 17) were caught during in 0.04 trap success (2448 trap nights). Regression of daily captures on cumulative captures revealed an estimate of 103 rodents from all the sampled structures with an average of 3.55 rodents per shop. R. rattus; 83.4% of captures were numerically dominant in almost all types of shops sampled, and were significantly different than Mus musculus; 16.5% of captures. Both species were found together in some shops while they were mostly trapped from the separate shops. Male rodents outnumbered the females.
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Affiliation(s)
- W Khan
- University of Malakand, Department of Zoology, Lower Dir, Khyber Pakhtunkhwa, Pakistan
| | - S N Das
- Sindh University Jamshoro, Department of Zoology, Hyderabad, Pakistan
| | - H Ullah
- University of Peshawar, Department of Zoology, Peshawar, Pakistan
| | - W A Panhwar
- Shah Abdul Latif University Khairpur, Department of Zoology, Miris, Sindh, Pakistan
| | - S Ahmed
- Hazara University Mansehra, Department of Zoology, Mansehra, Pakistan
| | - M S Ahmad
- University of Swabi, Department of Zoology, Swabi, Pakistan
| | - M Kamal
- University of Karachi, Department of Zoology, Karachi, Pakistan
| | - A Ahmad
- Friedrich Schiller Universtat Jena, Department of Microbiology, Neugasse, Jena, Germany
| | - M U Mohsin
- Islamia College University Peshawar, Department of Zoology, Peshawar, Pakistan
| | - A Hussain
- University of Haripur, Department of Forestry and Wildlife Management, Haripur, Pakistan
| | - G Khaliq
- Lasbela University of Agriculture Water and Marine Sciences, Faculty of Agriculture, Department of Horticulture, Uthal, Baluchistan, Pakistan
| | - I Hussain
- University of Haripur, Department of Plant Breeding & Genetics, Haripur, Pakistan
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Ullah H, Ullah A, Gul A, Mousavi T, Khan M. Novel coronavirus 2019 (COVID-19) pandemic outbreak: A comprehensive review of the current literature. Vacunas (English Edition) 2021. [PMCID: PMC8220988 DOI: 10.1016/j.vacune.2020.09.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Coronavirus disease 2019 (COVID-19) is a pandemic caused by the novel coronavirus, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The spread of the virus was rapid and currently COVID-19 cases are present worldwide in 213 countries, area or territories. Researchers worldwide are working and sharing their contribution regarding epidemiology, prevention, treatment, clinical and diagnostic patterns of the COVID-19. Current review is another contribution to the current knowledge, presenting the data in organized and systematic format about the current pandemic of COVID-19. The epidemiological information presented in the paper is subject to change as new cases are diagnosed and status of active cases is updated on daily basis.
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Khan W, Khan I, Ullah H, Zain SNM, Panhwar WA, Mehmood SA, Ahmed S, Siyal GB, Ahmad MS, Shah M, Rafique T, Ali N, Salim M, Hussain A. Cutaneous leishmaniasis-Awareness, knowledge and practices among general population in rural and urban areas in Malakand region, Pakistan. BRAZ J BIOL 2021; 82:e238665. [PMID: 33825759 DOI: 10.1590/1519-6984.238665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 07/27/2020] [Indexed: 11/22/2022] Open
Abstract
Malakand region is an endemic area for cutaneous leishmaniasis (CL). However, there are limited number of studies of this disease in Pakistan. Therefore, a study was conducted to understand the level of awareness attitude and practice among the residents of Makaland towards CL and the disease vectors. This study adopted a cross-sectional approach with a total of 400 respondents (n=93 rural and n= 307 urban). Overall, the population in Malakand region (61.2%) were well-informed in the role of sand fly in transmitting diseases, but most lack knowledge on the vector's behavior and almost a quarter (24.5%) were unable to provide knowledge on proper control measures. Alarmingly, the practice and attitudes of the general population was not satisfactory as close to half (49.8%) of the population did adopt any control method. This study calls for increase in awareness through health education campaign to reduce the risk of cutaneous leishmaniasis outbreaks in the future.
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Affiliation(s)
- W Khan
- University of Malakand, Laboratory of Parasitology, Department of Zoology, Lower Dir, Khyber Pakhtunkhwa, Pakistan
| | - I Khan
- Swat Medical College, Medical College, Saidu Group of Teaching Hospital, Medical Unit A, Saidu Sharif Swat, Khyber Pakhtunkhwa, Pakistan
| | - H Ullah
- University of Peshawar, Department of Zoology, Peshawar, Pakistan
| | - S N M Zain
- University of Malaya, Institute of Biological Sciences, Faculty of Science, Kuala Lumpur, Malaysia
| | - W A Panhwar
- Shah Abdul Latif University Khairpur, Department of Zoology, Miris, Sindh, Pakistan
| | - S A Mehmood
- Hazara University, Department of Zoology, Mansehra, Pakistan
| | - S Ahmed
- Hazara University, Department of Zoology, Mansehra, Pakistan
| | - G B Siyal
- Sindh University Jamshoro, Department of Zoology, Hyderabad, Pakistan
| | - M S Ahmad
- University of Swabi, Department of Zoology, Swabi, KP, Pakistan
| | - M Shah
- University of Swat, Centre for Animal Sciences & Fisheries, Swat, Pakistan
| | - T Rafique
- University of Malakand, Laboratory of Parasitology, Department of Zoology, Lower Dir, Khyber Pakhtunkhwa, Pakistan
| | - N Ali
- University of Haripur Department of Plant Breeding & Genetics, Haripur, Pakistan
| | - M Salim
- University of Haripur, Department of Forestry and Wildlife Management, Haripur, Pakistan
| | - A Hussain
- University of Haripur, Department of Forestry and Wildlife Management, Haripur, Pakistan
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Ullah H, Islam K, Shuvo A, Rahman M, Alam M, Dickhofer U, Grashorn M. Effects of feeding rumen liquor-fermented rice bran on performance of broiler chicken. ANIM NUTR FEED TECHN 2021. [DOI: 10.5958/0974-181x.2021.000147] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Ullah H, Ullah A, Gul A, Mousavi T, Khan MW. Novel coronavirus 2019 (COVID-19) pandemic outbreak: A comprehensive review of the current literature. ACTA ACUST UNITED AC 2020; 22:106-113. [PMID: 33078061 PMCID: PMC7556786 DOI: 10.1016/j.vacun.2020.09.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 09/28/2020] [Indexed: 12/12/2022]
Abstract
Coronavirus disease 2019 (COVID-19) is a pandemic caused by the novel coronavirus, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The spread of the virus was rapid and currently COVID-19 cases are present worldwide in 213 countries, area or territories. Researchers worldwide are working and sharing their contribution regarding epidemiology, prevention, treatment, clinical and diagnostic patterns of the COVID-19. Current review is another contribution to the current knowledge, presenting the data in organized and systematic format about the current pandemic of COVID-19. The epidemiological information presented in the paper is subject to change as new cases are diagnosed and status of active cases is updated on daily basis.
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Affiliation(s)
- H Ullah
- Department of Bioinformatics & Biotechnology, Faculty of Life Science, Government College University Faisalabad, Pakistan
| | - A Ullah
- Department of Microbiology, Faculty of Life Science and Informatics, Balochistan University of Information Technology Engineering and Management Sciences, Quetta, Pakistan
| | - A Gul
- Department of Biotechnology, Quaid-i-Azam University, Islamabad, Pakistan
| | - T Mousavi
- Department of Biotechnology, Quaid-i-Azam University, Islamabad, Pakistan
| | - M W Khan
- Department of Biotechnology, Faculty of Life Sciences and Informatics, Balochistan University of Information Technology Engineering and Management Sciences, Quetta, Pakistan
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Ullah A, Pirzada M, Jahan S, Ullah H, Razak S, Rauf N, Khan MJ, Mahboob SZ. Prenatal BPA and its analogs BPB, BPF, and BPS exposure and reproductive axis function in the male offspring of Sprague Dawley rats. Hum Exp Toxicol 2020; 38:1344-1365. [PMID: 31514588 DOI: 10.1177/0960327119862335] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Research in the past has indicated associated long-term and low levels of exposure of bisphenol A (BPA) in early life and neuroendocrine disorders, such as obesity, precocious puberty, diabetes, and hypertension. BPA and its analogs bisphenol B (BPB), bisphenol F (BPF), and bisphenol S (BPS) have been reported to have similar or even more toxic effect as compared to BPA. Exposure of rats to BPA and its analogs BPB, BPF, and BPS resulted in decreased sperm production, testosterone secretion, and histological changes in the reproductive tissues of male rats. In the present study, BPA, BPB, BPF, and BPS were administered in drinking water at concentrations of (5, 25, and 50 μg/L) from pregnancy day (PD) 1 to PD 21. Body weight (BW), hormonal concentrations, antioxidant enzymes, and histological changes were determined in the reproductive tissues. BPA and its analogs prenatal exposure to female rats induced significant statistical difference in the antioxidant enzymes, plasma testosterone, and estrogen concentrations in the male offspring when compared with the control. Histological parameters of both testis and epididymis revealed prominent changes in the reproductive tissues. The present study suggests that BPA and its analogs BPB, BPF, and BPS different concentrations led to marked alterations in the development of the male reproductive system.
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Affiliation(s)
- A Ullah
- Reproductive Physiology Laboratory, Department of Animal Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - M Pirzada
- Reproductive Physiology Laboratory, Department of Animal Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - S Jahan
- Reproductive Physiology Laboratory, Department of Animal Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - H Ullah
- Reproductive Physiology Laboratory, Department of Animal Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - S Razak
- Reproductive Physiology Laboratory, Department of Animal Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - N Rauf
- Reproductive Physiology Laboratory, Department of Animal Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - M J Khan
- Reproductive Physiology Laboratory, Department of Animal Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - S Z Mahboob
- Reproductive Physiology Laboratory, Department of Animal Sciences, Quaid-i-Azam University, Islamabad, Pakistan
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Rehman N, Alam S, Mian I, Ullah H. Environmental friendly method for the extraction of cellulose from Triflolium resopinatum and its characterization. B CHEM SOC ETHIOPIA 2019. [DOI: 10.4314/bcse.v33i1.6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Siddique MA, Ali MR, Alam ASMRU, Ullah H, Rahman A, Chakrabarty RP, Amin MA, Hoque SA, Nandi SP, Sultana M, Hossain M. Emergence of two novel sublineages Ind2001BD1 and Ind2001BD2 of foot-and-mouth disease virus serotype O in Bangladesh. Transbound Emerg Dis 2018; 65:1009-1023. [DOI: 10.1111/tbed.12834] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Indexed: 12/21/2022]
Affiliation(s)
- M. A. Siddique
- Department of Microbiology; University of Dhaka; Dhaka Bangladesh
| | - M. R. Ali
- Department of Microbiology; University of Dhaka; Dhaka Bangladesh
| | | | - H. Ullah
- Department of Microbiology; University of Dhaka; Dhaka Bangladesh
| | - A. Rahman
- Department of Microbiology; University of Dhaka; Dhaka Bangladesh
| | | | - M. A. Amin
- Department of Microbiology; University of Dhaka; Dhaka Bangladesh
| | - S. A. Hoque
- Centre for Advanced Research in Sciences; University of Dhaka; Dhaka Bangladesh
| | - S. P. Nandi
- Department of Microbiology; University of Dhaka; Dhaka Bangladesh
| | - M. Sultana
- Department of Microbiology; University of Dhaka; Dhaka Bangladesh
| | - M.A. Hossain
- Department of Microbiology; University of Dhaka; Dhaka Bangladesh
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Alam S, Rehman N, Ul Amin N, A. Shah L, Mian I, Ullah H. Removal of basic green 5 by carbonaceous adsorbent: Adsorption kinetics. B CHEM SOC ETHIOPIA 2018. [DOI: 10.4314/bcse.v31i3.5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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18
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Khan MF, Abdou MA, Rajendrum R, Ullah H. Impacted tooth presenting as airway obstruction during spontaneous breathing trial. Saudi J Anaesth 2016; 10:113-4. [PMID: 26955323 PMCID: PMC4760031 DOI: 10.4103/1658-354x.169491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Affiliation(s)
- M F Khan
- Department of Critical Care, King Saud University Medical City, King Saud University, Riyadh, Saudi Arabia
| | - M A Abdou
- Department of Critical Care, King Saud University Medical City, King Saud University, Riyadh, Saudi Arabia
| | - R Rajendrum
- Department of Critical Care, King Saud University Medical City, King Saud University, Riyadh, Saudi Arabia
| | - H Ullah
- Department of Critical Care, King Saud University Medical City, King Saud University, Riyadh, Saudi Arabia
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Murtaza G, Ullah H, Khan SA, Mir S, Khan AK, Nasir B, Azhar S, Abid MA. Formulation and In vitro Dissolution Characteristics of Sustained-Release Matrix Tablets of Tizanidine Hydrochloride. TROP J PHARM RES 2015. [DOI: 10.4314/tjpr.v14i2.5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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20
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Ullah H, Siddique MA, Al Amin M, Das BC, Sultana M, Hossain MA. Re-emergence of circulatory foot-and-mouth disease virus serotypes Asia1 in Bangladesh and VP1 protein heterogeneity with vaccine strain IND 63/72. Lett Appl Microbiol 2014; 60:168-173. [PMID: 25370946 DOI: 10.1111/lam.12354] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2014] [Revised: 10/19/2014] [Accepted: 10/30/2014] [Indexed: 11/29/2022]
Abstract
Foot-and-mouth disease virus (FMDV) serotypes O, A and Asia1 are responsible for significant number of disease outbreaks in Bangladesh; however serotype Asia1 has not been reported in circulation since 1996. The present investigation reports the detection of serotype FMDV Asia1 from local farms in 2012 and 2013 outbreaks. The farms were located in Jessore and Gazipur districts, and one of these farms was under vaccine control programme. Phylogenetic analysis of the complete VP1 gene revealed that FMDV Asia1 is under genetic lineage C having close similarity to the Asia1 sequences of Indian origin. The circulatory genotype Asia1 showed VP1 protein sequence heterogeneity of eight amino acid substitutions within the G-H loop with the vaccine strain [IND 63/72 (AY304994)] used in vaccination programme. ELISA assay revealed that, of seven, only one local field serum sample (cattle vaccinated 38 days earlier) was positive at a titre level of >2.4 (log10) but failed to protect the cattle from infection occurred by the virus. This investigation focused that the eight amino acid substitution in VP1 protein at G-H loop of the locally circulated FMDV serotype Asia1 strain may be a reason for current vaccination failure.
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Affiliation(s)
- H Ullah
- Department of Microbiology, University of Dhaka, Dhaka, Bangladesh
| | - M A Siddique
- Department of Microbiology, University of Dhaka, Dhaka, Bangladesh
| | - Md Al Amin
- Department of Microbiology, University of Dhaka, Dhaka, Bangladesh
| | - B C Das
- Department of Livestock Services, Central Disease Investigation Laboratory, Dhaka, Bangladesh
| | - M Sultana
- Department of Microbiology, University of Dhaka, Dhaka, Bangladesh
| | - M A Hossain
- Department of Microbiology, University of Dhaka, Dhaka, Bangladesh
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Ullah H, Ullah B, Karim S, Tariq I, Khan AK, Mir S, Baseer A, Azhar S, Murtaza G. Malnutrition amongst Under-Five Years Children in Swat, Pakistan: Prevalence and Risk Factors. TROP J PHARM RES 2014. [DOI: 10.4314/tjpr.v13i8.24] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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22
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Jadoon SA, Ullah H, Mohammad F, Khalil IH, Alam M, Shahwar D, Malik MFA, Jamal Y. Impact of forage clipping treatments on performance of winter wheat. Genet Mol Res 2013; 12:5283-8. [PMID: 24301789 DOI: 10.4238/2013.november.7.3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Farmers in northern parts of Pakistan face severe shortage of green forage for their livestock during the harsh winter season. Winter wheat has the potential to be used as a dual-purpose crop for forage plus grain production in these areas. Ten elite winter wheat lines from Oklahoma State University were evaluated at Hazara Research Station Abbottabad under unclipped and clipped treatment level during 2005-06. The material was planted in a randomized complete block design with three replications, with a row length of four meters and a row to row space of 25 cm. Data were recorded on green forage yield, plant height, spike length, spikelets/spike, days to maturity, spike weight, biological weight, and grain yield. Analysis of variance indicated significant differences among genotypes for all traits except spike length. Similarly all traits except spikelets/spike exhibited significant differences between unclipped and clipped treatment levels. Genotype x clipping interaction was non-significant for all traits except grain yield. Overall, winter wheat lines OK98G508W and OK00611W performed better for important traits such as early maturity, biological yield and grain yield, although over-environment testing is needed before recommendations can be made to the farmers.
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Affiliation(s)
- S A Jadoon
- Faculty of Agriculture, Abdul Wali Khan University Mardan, Anbar Campus, Swabi, Pakistan
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Noor M, Shahwar D, Rahman H, Ullah H, Ali F, Iqbal M, Shah IA, Ullah I. Change in heritability estimates due to half-sib family selection in the maize variety Pahari. Genet Mol Res 2013; 12:1872-81. [PMID: 23359057 DOI: 10.4238/2013.january.16.1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
This research was carried out at the Agriculture Research Farm, Khyber Pakhtunkhwa Agricultural University, Peshawar, and the Cereal Crops Research Institute, Pirsabak, Nowshera, during 2009 and 2010. Half-sib families (HS) derived from the maize variety Pahari in spring crop seasons 2009 and 2010 were developed at the Cereal Crops Research Institute. All HS families were detasseled well before pollen shedding. At maturity, each family was harvested and shelled separately. During the summer crop of seasons 2009 and 2010, these HS families were evaluated in 12 x 12 and 11 x 11 partially balanced lattice square arrangements at the Khyber Pakhtunkhwa Agricultural University, Peshawar, for various flowering and yield traits, respectively. The data on days to mid-silking, anthesis, anthesis-silking interval, 100-grain weight, and grain yield were recorded. The results revealed significant differences among families for all traits in both cycles. High heritability (0.88) was observed for days to mid-silking in cycle 0 (C₀), while moderate heritability (0.42) was recorded for 100-grain weight in C₁. The selection differential was quite reasonable and varied according to the traits of interest. The observed response for grain yield in C₀ (815.74 kg/ha) was greater than the expected response (681.76 kg/ha).
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Affiliation(s)
- M Noor
- Department of Plant Breeding and Genetics, University Agricultural, Peshawar, Pakistan.
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Abstract
The dechlorination of PCB, specifically the noncoplanar congener PCB 153, has been observed in the presence of a crude nitrate reductase extract from Medicago sativa leaves. These observations were further confirmed using a commercially available and pure nitrate reductase from Zea mays. The presence of nitrate reductase increased PCB 153 dechlorination. Then, the addition of molybdenum, the enzyme's cofactor, enhanced dechlorination of the environmental contaminant. The ability of plant nitrate reductase to dechlorinate PCB is a new observation.
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Affiliation(s)
- Kristie D Magee
- Molecular Genetics Laboratory, Department of Biology, Howard University, 415 College Street, NW, Washington, DC 20059, USA
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Abstract
The phytohormone abscisic acid (ABA) promotes plant water conservation by decreasing the apertures of stomatal pores in the epidermis through which water loss occurs. We found that Arabidopsis thaliana plants harboring transferred DNA insertional mutations in the sole prototypical heterotrimeric GTP-binding (G) protein alpha subunit gene, GPA1, lack both ABA inhibition of guard cell inward K(+) channels and pH-independent ABA activation of anion channels. Stomatal opening in gpa1 plants is insensitive to inhibition by ABA, and the rate of water loss from gpa1 mutants is greater than that from wild-type plants. Manipulation of G protein status in guard cells may provide a mechanism for controlling plant water balance.
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Affiliation(s)
- X Q Wang
- Biology Department, Pennsylvania State University, 208 Mueller Laboratory, University Park, PA 16802-5301, USA
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Abstract
The alpha subunit of a prototypical heterotrimeric GTP-binding protein (G protein), which is encoded by a single gene (GPA1) in Arabidopsis, is a modulator of plant cell proliferation. gpa1 null mutants have reduced cell division in aerial tissues throughout development. Inducible overexpression of GPA1 in Arabidopsis confers inducible ectopic cell division. GPA1 overexpression in synchronized BY-2 cells causes premature advance of the nuclear cycle and the premature appearance of a division wall. Results from loss of function and ectopic expression and activation of GPA1 indicate that this subunit is a positive modulator of cell division in plants.
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Affiliation(s)
- H Ullah
- Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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Chen JG, Ullah H, Young JC, Sussman MR, Jones AM. ABP1 is required for organized cell elongation and division in Arabidopsis embryogenesis. Genes Dev 2001; 15:902-11. [PMID: 11297513 PMCID: PMC312669 DOI: 10.1101/gad.866201] [Citation(s) in RCA: 268] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2000] [Accepted: 01/29/2001] [Indexed: 11/25/2022]
Abstract
To directly address the function of a putative auxin receptor designated ABP1, a reverse genetic approach was taken to identify and characterize ABP1 mutant alleles in Arabidopsis. A homozygous null mutation in ABP1 confers embryo lethality. Null mutant embryos develop normally until the early stages of the globular embryo but are unable to make the transition to a bilaterally symmetrical structure because cells fail to elongate. Cell division was also aberrant both in the suspensor and embryo proper. Antisense suppression of ABP1 in tobacco cells causes slow proliferation and eliminates auxin-induced cell elongation and reduces cell division. The complete lack of auxin-inducible elongation in individual cells confirms the results observed in embryos, indicates a cell autonomous function, and, taken together with biochemical evidence that ABP1 binds auxins, suggests that ABP1 mediates auxin-induced cell elongation and, directly or indirectly, cell division.
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Affiliation(s)
- J G Chen
- Department of Biology, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA
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29
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Ullah H, Khan MZ, Muhammad G, Noorani SA. Furazolidone toxicosis in female Japanese quail (Coturnix coturnix japonica): pathomorphological changes in reproductive tract and reversibility of the induced changes. Vet Hum Toxicol 1998; 40:212-5. [PMID: 9682406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Female Japanese quail (Coturnix coturnix Japonica) placed in 3 equal groups were given 600, 400 or 0 mg furazolidone (Fz)/kg feed for 4 w and then withdrawn for another 4 w. Another (pair-fed) group of same size was given basal feed as much as was consumed by the quail fed 600 mg Fz/kg feed. Fz feeding decreased body weight, feed intake and egg production. Ovaries of the Fz-fed quail decreased in weight and size and were studded with small follicles. Magnum, isthmus and uterus in Fz-fed groups had decreased area, height and number of mucosal folds compared with the control group. Microscopically, in Fz-fed groups, the mucosal glands in magnum and isthmus had decreased cell height with centrally located nuclei and foamy cytoplasm. In the 600 mg Fz-fed group, some birds had atrophy of the glandular tissue in the mucosa and infiltration of mononuclear cells and fibroblasts. Upon cessation of the Fz feeding, all parameters reversed gradually and became non-significantly different from control quail. These observations suggested that Fz-induced changes in mature female quail were reversible.
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Affiliation(s)
- H Ullah
- Department of Veterinary Pathology, University of Agriculture, Faisalabad, Pakistan
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Shah SS, Khan MS, Ullah H, Awan MA. Solubilization of Amphiphilic Hemicyanine Dyes by a Cationic Surfactant, Cetyltrimethylammonium Bromide. J Colloid Interface Sci 1997; 186:382-6. [PMID: 9056367 DOI: 10.1006/jcis.1996.4649] [Citation(s) in RCA: 59] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The solubilization of amphiphilic hemicyanine dyes by the micelles of a cationic surfactant, cetyltrimethylammonium bromide (CTAB), was studied as a function of surfactant concentration above the critical micelle concentration (CMC). The micelle-water partition coefficient, Kx, and the standard free energy of solubilization, DeltaG0, of these dyes in CTAB micelles was determined at 25.0°C by a differential spectroscopic method. The CMCs of CTAB in the presence of small amounts of these dyes were determined by a conductivity method at 25.0°C. The values of Kx and DeltaG0 for all six dyes were determined by an improved method that incorporates both conductance and differential absorbance data.
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Affiliation(s)
- SS Shah
- Department of Chemistry, Quaid-i-Azam University, Islamabad, Pakistan
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