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https://www.readbyqxmd.com/read/28620224/comparing-the-plant-diversity-between-artificial-forest-and-nature-growth-forest-in-a-giant-panda-habitat
#1
Dongwei Kang, Xiaorong Wang, Shuang Li, Junqing Li
Artificial restoration is an important way to restore forests, but little is known about its effect on the habitat restoration of the giant panda. In the present study, we investigated the characteristics of artificial forest in the Wanglang Nature Reserve to determine whether through succession it has formed a suitable habitat for the giant panda. We compared artificial forest characteristics with those of natural habitat used by the giant panda. We found that the dominant tree species in artificial forest differed from those in the natural habitat...
June 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28616195/assessing-vulnerability-of-giant-pandas-to-climate-change-in-the-qinling-mountains-of-china
#2
Jia Li, Fang Liu, Yadong Xue, Yu Zhang, Diqiang Li
Climate change might pose an additional threat to the already vulnerable giant panda (Ailuropoda melanoleuca). Effective conservation efforts require projections of vulnerability of the giant panda in facing climate change and proactive strategies to reduce emerging climate-related threats. We used the maximum entropy model to assess the vulnerability of giant panda to climate change in the Qinling Mountains of China. The results of modeling included the following findings: (1) the area of suitable habitat for giant pandas was projected to decrease by 281 km(2) from climate change by the 2050s; (2) the mean elevation of suitable habitat of giant panda was predicted to shift 30 m higher due to climate change over this period; (3) the network of nature reserves protect 61...
June 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28615713/exosomal-micrornas-in-giant-panda-ailuropoda-melanoleuca-breast-milk-potential-maternal-regulators-for-the-development-of-newborn-cubs
#3
Jideng Ma, Chengdong Wang, Keren Long, Hemin Zhang, Jinwei Zhang, Long Jin, Qianzi Tang, Anan Jiang, Xun Wang, Shilin Tian, Li Chen, Dafang He, Desheng Li, Shan Huang, Zhi Jiang, Mingzhou Li
The physiological role of miRNAs is widely understood to include fine-tuning the post-transcriptional regulation of a wide array of biological processes. Extensive studies have indicated that exosomal miRNAs in the bodily fluids of various organisms can be transferred between living cells for the delivery of gene silencing signals. Here, we illustrated the expression characteristics of exosomal miRNAs in giant panda breast milk during distinct lactation periods and highlighted the enrichment of immune- and development-related endogenous miRNAs in colostral and mature giant panda milk...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28614359/phenological-changes-in-bamboo-carbohydrates-explain-the-preference-for-culm-over-leaves-by-giant-pandas-ailuropoda-melanoleuca-during-spring
#4
Katrina K Knott, Amelia L Christian, Josephine F Falcone, Carrie K Vance, Laura L Bauer, George C Fahey, Andrew J Kouba
Seasonal changes in the foodscape force herbivores to select different plant species or plant parts to meet nutritional requirements. We examined whether the search for calorie-rich carbohydrates explained giant panda's selection for bamboo culm over leaves during spring. Leaves and culms were collected from four Phyllostachys bamboos (P. aurea, P. aureosulcata, P. glauca, and P. nuda) once per month over 18-27 months. Monthly changes in annual plant part nutrients were examined, and compared to seasonal foraging behaviors of captive giant pandas...
2017: PloS One
https://www.readbyqxmd.com/read/28611401/a-diet-diverse-in-bamboo-parts-is-important-for-giant-panda-ailuropoda-melanoleuca-metabolism-and-health
#5
Hairui Wang, Heju Zhong, Rong Hou, James Ayala, Guangmang Liu, Shibin Yuan, Zheng Yan, Wenping Zhang, Yuliang Liu, Kailai Cai, Zhigang Cai, He Huang, Zhihe Zhang, De Wu
The aim of this study was to determine the metabolic response in giant pandas (Ailuropoda melanoleuca) to the consumption of certain parts of bamboo above ground growth. Giant pandas were provisioned with three species of bamboo: Phyllostachys bissetii, of which they only consume the culm (culm group); Bashania fargesii, of which they only consume the leaves (leaf group); and Qiongzhuea opienensis, of which they only consume the shoots (shoot group). The "culm" group absorbed the highest amount of calories and fiber, but was in short energy supply (depressed tricarboxylic acid cycle activity), and high fiber level diet might reduce the digestibility of protein...
June 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28576124/ancylostoma-ailuropodae-n-sp-nematoda-ancylostomatidae-a-new-hookworm-parasite-isolated-from-wild-giant-pandas-in-southwest-china
#6
Yue Xie, Eric P Hoberg, Zijiang Yang, Joseph F Urban, Guangyou Yang
BACKGROUND: Hookworms belonging to the genus Ancylostoma (Dubini, 1843) cause ancylostomiasis, a disease of considerable concern in humans and domestic and wild animals. Molecular and epidemiological data support evidence for the zoonotic potential among species of Ancylostoma where transmission to humans is facilitated by rapid urbanization and increased human-wildlife interactions. It is important to assess and describe these potential zoonotic parasite species in wildlife, especially in hosts that have physiological similarities to humans and share their habitat...
June 2, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28560107/factors-affecting-genotyping-success-in-giant-panda-fecal-samples
#7
Ying Zhu, Hong-Yi Liu, Hai-Qiong Yang, Yu-Dong Li, He-Min Zhang
Fecal samples play an important role in giant panda conservation studies. Optimal preservation conditions and choice of microsatellites for giant panda fecal samples have not been established. In this study, we evaluated the effect of four factors (namely, storage type (ethanol (EtOH), EtOH -20 °C, 2-step storage medium, DMSO/EDTA/Tris/salt buffer (DETs) and frozen at -20 °C), storage time (one, three and six months), fragment length, and repeat motif of microsatellite loci) on the success rate of microsatellite amplification, allelic dropout (ADO) and false allele (FA) rates from giant panda fecal samples...
2017: PeerJ
https://www.readbyqxmd.com/read/28551745/diversity-and-activity-patterns-of-sympatric-animals-among-four-types-of-forest-habitat-in-guanyinshan-nature-reserve-in-the-qinling-mountains-china
#8
Xuehua Liu, Pengfeng Wu, Xiaoming Shao, Melissa Songer, Qiong Cai, Xiangbo He, Yun Zhu
Environmental heterogeneity contributes to various habitats and may influence the diversity and activity patterns of wildlife among habitats. We used camera traps to assess wildlife habitat use in Guanyinshan Nature Reserve from 2009 to 2012. We focused on four types of habitat including open areas with gentle slope (<15°) (Type1), low elevation areas (about 1500-1700 m) with high bamboo coverage (Type2), high elevation areas (about 2100-2300 m) with high canopy coverage (Type3), and wildlife migration passages (Type4)...
May 27, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28551740/changes-of-foraging-patch-selection-and-utilization-by-a-giant-panda-after-bamboo-flowering
#9
Guochun Li, Huadong Song, Latifa A A Altigani, Xueli Zheng, Shuhai Bu
The bamboo flowering leads to the habitat fragmentation and food quality decline of a giant panda. Few empirical research has been conducted about the giant panda's response to the bamboo flowering. Here, we investigated the characteristics of bamboo stands, giant panda's activity, and selection and utilization of bamboo stands by giant panda in Taibaishan National Nature Reserve, China, over a 3-year period (September 2013-May 2016) during the Fargesia qinlingensis flowering period. Our results indicated that the proportion of whole bamboo stands flowering has gradually expanded from 26...
May 27, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28536080/a-genome-wide-identification-and-analysis-of-basic-helix-loop-helix-transcription-factors-in-cattle
#10
Debao Zhang, Guanying Li, Yong Wang
Basic helix-loop-helix (BHLH) transcription factors comprise a large family of regulatory proteins and play critical roles in the developmental processes of higher organisms. Complete lists of BHLH family members have been identified in about 50 organisms, including fruit fly, zebrafish, mouse, giant panda, worm, yeast, rice and apple. Cattle, Bos taurus, is important for agriculture and animal nutrition, and is also a good model organism for health research. In the present study, 116 putative BHLHs were identified in the cattle genome...
May 20, 2017: Gene
https://www.readbyqxmd.com/read/28516920/china-rail-network-must-protect-giant-pandas
#11
Shucai Li, Shaoshuai Shi, Lin Bu
No abstract text is available yet for this article.
May 17, 2017: Nature
https://www.readbyqxmd.com/read/28454704/the-normal-vaginal-and-uterine-bacterial-microbiome-in-giant-pandas-ailuropoda-melanoleuca
#12
Xin Yang, Guangyang Cheng, Caiwu Li, Jiang Yang, Jianan Li, Danyu Chen, Wencheng Zou, SenYan Jin, Hemin Zhang, Desheng Li, Yongguo He, Chengdong Wang, Min Wang, Hongning Wang
While the health effects of the colonization of the reproductive tracts of mammals by bacterial communities are widely known, there is a dearth of knowledge specifically in relation to giant panda microbiomes. In order to investigate the vaginal and uterine bacterial diversity of healthy giant pandas, we used high-throughput sequence analysis of portions of the 16S rRNA gene, based on samples taken from the vaginas (GPV group) and uteri (GPU group) of these animals. Results showed that the four most abundant phyla, which contained in excess of 98% of the total sequences, were Proteobacteria (59...
June 2017: Microbiological Research
https://www.readbyqxmd.com/read/28431316/pbdes-polybrominated-diphenyl-ethers-pose-a-risk-to-captive-giant-pandas
#13
Yi-Ping Chen, Ying-Juan Zheng, Qiang Liu, Aaron M Ellison, Yan Zhao, Qing-Yi Ma
The Qinling subspecies of giant panda (Ailuropoda melanoleuca qinlingensis), is highly endangered; fewer than 350 individuals still inhabit Qinling Mountains. Previous research revealed captive pandas were exposed to bromine, so we hypothesized that captive pandas were exposed to and affected by polybrominated diphenyl ethers (PBDEs). To test this hypothesis, we tested blood and feces of captive and wild pandas, their drinking water, food (bamboo leaves) from SWARC (Shaanxi Wild Animal Research Center)and FNNR (Foping National Nature Reserve) and supplemental feedstuff given to captive panda at SWARC...
April 18, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28428848/modeling-activity-patterns-of-wildlife-using-time-series-analysis
#14
Jindong Zhang, Vanessa Hull, Zhiyun Ouyang, Liang He, Thomas Connor, Hongbo Yang, Jinyan Huang, Shiqiang Zhou, Zejun Zhang, Caiquan Zhou, Hemin Zhang, Jianguo Liu
The study of wildlife activity patterns is an effective approach to understanding fundamental ecological and evolutionary processes. However, traditional statistical approaches used to conduct quantitative analysis have thus far had limited success in revealing underlying mechanisms driving activity patterns. Here, we combine wavelet analysis, a type of frequency-based time-series analysis, with high-resolution activity data from accelerometers embedded in GPS collars to explore the effects of internal states (e...
April 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28306740/metabolic-rate-of-the-red-panda-ailurus-fulgens-a-dietary-bamboo-specialist
#15
Yuxiang Fei, Rong Hou, James R Spotila, Frank V Paladino, Dunwu Qi, Zhihe Zhang
The red panda (Ailurus fulgens) has a similar diet, primarily bamboo, and shares the same habitat as the giant panda, Ailuropoda melanoleuca. There are considerable efforts underway to understand the ecology of the red panda and to increase its populations in natural reserves. Yet it is difficult to design an effective strategy for red panda reintroduction if we do not understand its basic biology. Here we report the resting metabolic rate of the red panda and find that it is higher than previously measured on animals from a zoo...
2017: PloS One
https://www.readbyqxmd.com/read/28303460/conservation-planning-beyond-giant-pandas-the-need-for-an-innovative-telecoupling-framework
#16
Fang Wang, Jianguo Liu
No abstract text is available yet for this article.
December 21, 2016: Science China. Life Sciences
https://www.readbyqxmd.com/read/28281076/withered-on-the-stem-is-bamboo-a-seasonally-limiting-resource-for-giant-pandas
#17
Youxu Li, Ronald R Swaisgood, Wei Wei, Yonggang Nie, Yibo Hu, Xuyu Yang, Xiaodong Gu, Zejun Zhang
In response to seasonal variation in quality and quantity of available plant biomass, herbivorous foragers may alternate among different plant resources to meet nutritional requirements. Giant pandas (Ailuropoda melanoleuca) are reliant almost exclusively on bamboo which appears omnipresent in most occupied habitat, but subtle temporal variation in bamboo quality may still govern foraging strategies, with population-level effects. In this paper, we investigated the possibility that temporal variation in the quality of this resource is involved in population regulation and examined pandas' adaptive foraging strategies in response to temporal variation in bamboo quality...
April 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28207509/relationship-between-drug-resistance-and-the-clustered-regularly-interspaced-short-palindromic-repeat-associated-protein-genes-cas1-and-cas2-in-shigella-from-giant-panda-dung
#18
Lu Ren, Lin-Hua Deng, Ri-Peng Zhang, Cheng-Dong Wang, De-Sheng Li, Li-Xin Xi, Zhen-Rong Chen, Rui Yang, Jie Huang, Yang-Ru Zeng, Hong-Lin Wu, San-Jie Cao, Rui Wu, Yong Huang, Qi-Gui Yan
BACKGROUND: To detect drug resistance in Shigella obtained from the dung of the giant panda, explore the factors leading to drug resistance in Shigella, understand the characteristics of clustered, regularly interspaced, short, palindromic repeats (CRISPR), and assess the relationship between CRISPR and drug resistance. METHODS: We collected fresh feces from 27 healthy giant pandas in the Giant Panda Conservation base (Wolong, China). We identified the strains of Shigella in the samples by using nucleotide sequence analysis...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28206772/cytotoxic-fusicoccane-type-diterpenoids-from-streptomyces-violascens-isolated-from-ailuropoda-melanoleuca-feces
#19
Dan Zheng, Li Han, Xiaodan Qu, Xiu Chen, Jialiang Zhong, Xiaoxu Bi, Jiang Liu, Yi Jiang, Chenglin Jiang, Xueshi Huang
Six new fusicoccane-type diterpenoids (2-7) were isolated from the fermentation broth of Streptomyces violascens, which was isolated from Ailuropoda melanoleuca (giant panda) feces. The structures of these new compounds were elucidated by a detailed spectroscopic data and X-ray crystallographic analysis. Compounds 5-7 demonstrated cytotoxicity against five human cancer cell lines, with IC50 values ranging from 3.5 ± 0.7 to 14.1 ± 0.8 μM. Cell adhesion, migration, and invasion assays showed that 6 inhibited the migration and invasion of human hepatocellular carcinoma SMMC7721 cells in a dose-dependent manner...
February 16, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28128409/analysis-of-the-cytochrome-c-oxidase-subunit-ii-cox2-gene-in-giant-panda-ailuropoda-melanoleuca
#20
S S Ling, Y Zhu, D Lan, D S Li, H Z Pang, Y Wang, D Y Li, R P Wei, H M Zhang, C D Wang, Y D Hu
The giant panda, Ailuropoda melanoleuca (Ursidae), has a unique bamboo-based diet; however, this low-energy intake has been sufficient to maintain the metabolic processes of this species since the fourth ice age. As mitochondria are the main sites for energy metabolism in animals, the protein-coding genes involved in mitochondrial respiratory chains, particularly cytochrome c oxidase subunit II (COX2), which is the rate-limiting enzyme in electron transfer, could play an important role in giant panda metabolism...
January 23, 2017: Genetics and Molecular Research: GMR
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