Articles
3,478 open-access articles · page 112 of 174
Research ArticleUVB Irradiation Induces Human Skin Fibroblasts Senescence Through Regulation of Β-Catenin and Smp30 Expression
Feng-Mei Yang, Rui Li, Xiu-Xue Hu, Yong Liang, Bo Gao, Wei Chen
This study aims at measuring expressions of β-catenin and senescence marker protein-30 (SMP30) after normal human skin fibroblasts (NHSFs) irradiated by different UVB doses as well as durations, thus unveiling mechanisms underlying HSF senescence induced…
16 Sept 2020DOI 10.17582/journal.pjz/20190706160723
Research ArticleEvaluation of Different IgY Preparation Methods and Storage Stability as Potential Animal Feed Supplement
Shikun Ge, Yanli Yang, Brindha Chelliappan, Antonysamy Michael, Fagang Zhong, Xiaoying Zhang
Egg yolk can be used as feed additives to improve the immune status of animals and as passive therapy for veterinary diseases, and the egg yolk has proved to be a promising source of antibodies. However, the extraction methods and storage stability of IgY anti…
16 Sept 2020DOI 10.17582/journal.pjz/20190612010610
Research ArticleExpression and Localization of VIP in Different Segments of Pigeon Intestine
Fei Wang, Xianlai Zhang, Youbao Zhong, Xiaoen Tang, Xiaofen Hu, ShanShan Yang et al.
In order to further investigate the structural characteristic of pigeon intestine, the microstructure of each part of intestine was analyzed by HE staining, and its vasoactive intestinal peptide (VIP) was detected by immunohistochemistry staining and RT-qPCR.…
14 Sept 2020DOI 10.17582/journal.pjz/20200208160224
Research ArticleLength-Weight Relationship and Growth of a Marine Gastropod Mollusk, Hemifusus ternatanus (Gmelin) (Family: Melongenidae)
Shouguo Yang, Fen Cheng, Xiangyu Wu, YiXuan Xing, ZhiFeng Gu, Xianming Tang
Length-weight relationship and growth of a marine gastropod mollusk, Hemifusus ternatanus was studied for 36 months under artificial condition. The total shell length (SL), shell width (SW) and total weight (TW) were measured for eight times throughout the exp…
14 Sept 2020DOI 10.17582/journal.pjz/20180820030834
Research ArticleComparison of the Gut Microbiota in the Tibetan Wild Ass (Equus kiang) Collected from High and Low Altitude
Honghai Zhang, Yao Chen, Xiaoyang Wu, Shuai Shang, Jun Chen, Jiakuo Yan et al.
The gut microbiota plays an important role in animal performance and the environment. We collected fresh feces of the Tibetan wild ass (Equus kiang) from the Jinan Wildlife World and Qinghai - Tibet Plateau Wild Animal Park. And we divide the sample into Group…
14 Sept 2020DOI 10.17582/journal.pjz/20180522070505
Research ArticleA New Species of the Genus Carniella Thaler & Steinberger from the Nepal Himalayas (Araneae: Theridiidae)
Andrei V. Tanasevitch, Yuri M. Marusik
A new species, Carniella nepalensis sp. n., is described from eastern Nepal. The male of new species is most similar to C. forficata (Gao and Li, 2014) and clearly differs by the shape of the embolus. The type locality of new species is northwesternmost for th…
14 Sept 2020DOI 10.17582/journal.pjz/20180402170422
Research ArticleMolecular Evidence for the Association of Swarm Forming Desert Locust, Schistocerca gregaria gregaria (Forskål) in Pakistan with Highly Prevalent Subspecies in Sahara Desert of Africa
Jam Nazeer Ahmad, Samina J.N. Ahmad, Mubashir Ahmad Malik, Abid Ali, Muhammad Ali, Ejaz Ahmad et al.
Locust commonly known as short horned grasshopper is one of the most dangerous agricultural pests worldwide. There are various important species of large swarms forming of desert locusts found in different regions of the world. In early 2020, in Pakistan, huge…
11 Sept 2020DOI 10.17582/journal.pjz/20200501020521
Research ArticleThe Use of Otolith Shape to Identify Stocks of Redlip Mullet, Liza haematocheilus
Tao He, Cheng-jing Chen, Jian-guang Qin, Yun Li, Rong-hua Wu, Tian-xiang Gao
The aim of this study was to compare sagittal morphometric features between Liza haematocheilus stocks in the China coasts at the Ying Kou, Dong Ying, Qing Dao, Wen Zhou and Guang Zhou regions and test a complementary method to quantify the variation of sagitt…
11 Sept 2020DOI 10.17582/journal.pjz/20180719080742
Research ArticlePhysiological Effects of Ethanolic Leaf Extract of Duranta erecta (L) on Albino Rat, Rattus norvegicus
Gregory Ejikeme Odo, Juliana Ekenma Agwu, Nkechi Nweze, Clara Ikegbunam, Felicia Ekeh N, Vincent Ejere et al.
Thisstudyevaluated thephysiological effects of ethanolic leaf extracts of Duranta erecta (L) in 48 albino wistar rats, Rattus norvegicususingbiochemical and haematological indicesof toxicity. The data were subjected to two-way analysis of variance (ANOVA) with…
11 Sept 2020DOI 10.17582/journal.pjz/20161021211011
Research ArticleSex Ratio, Habitat Selection and Foraging Behavior of Mandarin Duck in Water Systems of Poyang Lake, China
He Wenyun, Zhi Yijin, Shao Mingqin
From February to March 2017, November 2017 to March 2018 and November 2018 to March 2019 we used the point count method to survey the sex ratio, habitat selection and foraging behavior of Mandarin duck (Aix galericulata) in water systems (Raohe River, Ganjiang…
11 Sept 2020DOI 10.17582/journal.pjz/20191113041120
Research ArticleWading Bird Habitat, Water Depth Utilization and Niche Separation in Poyang Lake, China
Zhi Yijin, Shao Mingqin, Li Quanjiang
From October to December 2018, and March to May of 2019, habitat, water depth utilization and niche separation of wading birds in Poyang Lake, China, was assessed. A total of 38 bird species, including 4 class I and 3 class II Chinese nationally protected bird…
11 Sept 2020DOI 10.17582/journal.pjz/20191101021154
Research ArticleBioconversion of Agricultural Wastes to Polyhydroxybutyrate by Azotobacter vinelandii
Tehmina Aslam, Shagufta Saeed, Muhammed Tayyab, Huma Mujahid, Ali Raza Awan, Sehrish Firyal et al.
The aim of the present study was to evaluate the potential of different agricultural wastes like wheat bran, rice polishing and molasses for the synthesis of polyhydroxybutyrate (PHB) by Azotobacter vinelandii. The optimization of different carbon sources and…
11 Sept 2020DOI 10.17582/journal.pjz/20170216050211
Research ArticleSeasonality and Climatic Factors Affect Diversity and Distribution of Arthropods Around Wetlands
Waqar Majeed, Naureen Rana, Elmo Borges de Azevedo Koch, Shahla Nargis
The diversity and distribution of arthropods associated with seasons and environmental variables in two different wetlands sites was estimated and study was performed on monthly basis for a whole year. The arthropods were collected by sweep net, direct hand pi…
4 Sept 2020DOI 10.17582/journal.pjz/20200112020107
Research ArticleChelonine (Hymenoptera: Braconidae: Cheloninae) Parasitoids of Lepidopteran Leafminers in the Indian Subcontinent, with Notes on Taxonomic Character
Zubair Ahmad, Hamed A. Ghramh, Khalid Ali Khan, Kavita Pandey, Farhat Khan
Two new species viz., Chelonus (Areselonus) caeruleus sp. nov. and Chelonus (Areselonus) lithocolletiscus, sp. nov., are described as new to science from the northern part of India. These two species were reared from Acrocercops caerulea (Meyrick) and Lithocol…
4 Sept 2020DOI 10.17582/journal.pjz/20191204091259
Research ArticleEfficacy of Danshen (Salvia miltiorrhiza) Dripping Pills for Prevention of Acute Mountain Sickness: A Randomized, Double-Blind, Placebo-Controlled Trial
Kui Li, Lijun Li, Jialun Fu, Yi He, Zhaohui Song, Shuiping Zhou et al.
A randomized, double-blind, placebo-controlled trial was conducted to investigate the efficacy of prophylaxis by administering compound Danshen dripping pills (CDDPs) on acute mountain sickness (AMS). To this end, a total number of 58 healthy low-altitude inha…
4 Sept 2020DOI 10.17582/journal.pjz/20191204181230
Research ArticleVariants of MT-RNR2, MT-TI and MT-TL1 Genes in Hypertrophic Cardiomyopathy Families of Pakistan
Muhammad Khan, Tehmina Ameer Khan, Aziz Ud Din, Muhammad Fiaz Khan, Irfan Ullah, Kalim Ullah et al.
Hypertrophic cardiomyopathy is a condition in which the myocardial muscles become thickened without an apparent cause. It exhibits the prevalence of 1/500 globally. Eighteen samples from four families of maternally inherited HCM were collected, based on their…
4 Sept 2020DOI 10.17582/journal.pjz/20191127101113
Research ArticleEvaluation of Different Brassica spp. Against Aphids, Under Multan Agro-Ecological Conditions
Mah Jabeen, Amjad Farooq
Four species of Brassica viz,. B. napus, B. juncea. B. compestris and B. rapa were studied for their relative resistance/susceptibility against aphids, under field conditions for three consecutive crop seasons i.e., 2009-2010, 2010-2011 and 2011-2012. The data…
4 Sept 2020DOI 10.17582/journal.pjz/20131220132444
Research ArticleThree New Species of the Genus Microplitis Förster, 1862 (Hymenoptera: Braconidae: Microgastrinae) from Saudi Arabia
Hamed A. Ghramh, Zubair Ahmad, Khalid Ali Khan, Farhat Khan
In this study, Microplitis tihamicus sp. nov., M. faifaicus sp. nov. and M. khamisicussp. nov. (Hymenoptera: Braconidae: Microgastrinae) are described. The genus Microplitis is recorded for the first time from Saudi Arabia. Characters of these new species and…
4 Sept 2020DOI 10.17582/journal.pjz/20191003111027
Research ArticleMultiple Metal Resistant Bacillus cereus 3.1S Isolated from Industrial Effluent has Promising Arsenite Oxidizing Potential
Ayesha Noreen, Amina Elahi, Dilara Abbas Bukhari, Abdul Rehman
The arsenite resistant Bacillus cereus 3.1S, isolated from pesticide industry effluent, showed maximum growth at pH 7 at 37 °C in LB medium after 24 h of incubation. The strain tolerated As3+ up to 40 mM and also showed resistance against Pb2+ (8mM), Cd2+…
4 Sept 2020DOI 10.17582/journal.pjz/20190620050601
Research ArticleEffect of Sublethal Doses of Bifenthrin and Chlorpyrifos Administered Alone and in Combinations on Esterases of Stored Grain Pest, Trogoderma granarium
Anum Feroz, Abdul Rauf Shakoori, Farah Rauf Shakoori
Toxic effect of sub-lethal concentration (LC20) of bifenthrin, chlorpyrifos and their combinations was studied on the specific activities of esterases in the 4th and 6th instar larvae of susceptible laboratory strain (Lab-S) and deltamethrin resistant populati…
4 Sept 2020DOI 10.17582/journal.pjz/20200501083425