Showing 38 of 88 papers

Postprint: Culturable Bacterial Diversity and Biological Activity of Acanthus ebracteatus

Li Zhe, Huang Yuanlin, Zhu Junhua, Hu Wenjin, Wang Qiaozhen, Huang Shushi, Pan Xinli
2022-04-29 ChinaXiv: chinaxiv-202205.00006

Acanthus ebracteatus is a rare true mangrove plant inhabiting mangrove ecosystems with considerable medicinal value. This study aimed to investigate the diversity of culturable endophytic and rhizosphere bacteria associated with A. ebracteatus, and to explore potential novel species and strains with…

Effects of Nitrogen Addition on Nitrogen Transformation and Related Functional Gene Abundance in Pinus sylvestris var. mongolica Plantations (Postprint)

LIU Xinjun, Wei Hongjie
2022-04-29 ChinaXiv: chinaxiv-202205.00009

Soil nitrogen (N) availability is an important factor affecting soil microbial community structure and soil nitrogen cycling; however, the effects of N addition on soil N transformation and N functional genes (NFGs) expression in Mongolian pine plantations remain poorly understood. To explore the ef…

Effects of Altitude, Soil, and Vegetation on Soil Nutrient and Enzyme Stoichiometric Ratios in the Lijiang River Basin: Postprint

Chen Rongshu, Wang Ruru, Sun Jiahao, Huang Ling, Yang Sixian, Pu Jilong, Huang Huimin, Zhu Jing
2022-04-29 ChinaXiv: chinaxiv-202205.00010

The Lijiang River basin features diverse elevations, soil types, and vegetation types. To investigate the characteristics of soil nutrients and soil enzyme activities, this study examined surface soils (0–20 cm) under typical vegetation types (natural forest, bamboo forest, pine forest, orchard, pad…

Preliminary Study on Plant Species Diversity in Mulun National Nature Reserve, Guangxi (Postprint)

Tan Weining, Luo Liujuan, Nong Suyun, Xiqiang Huang, Liu Yan, Huang Yusong
2022-04-29 ChinaXiv: chinaxiv-202205.00011

Guangxi Mulun National Nature Reserve is located in the transitional zone between the Yunnan-Guizhou-Guangxi and South China floristic regions, and constitutes a central intersection between the Palearctic and Paleotropical floristic realms, occupying an irreplaceable position in China's biodiversit…

A new species of Pararhizomys (Tachyoryctoidinae, Muroidea) from Linxia Basin of Gansu Province (Postprint)

WANG Ban-Yue
2022-04-16 ChinaXiv: chinaxiv-202204.00122

An anterior part of skull was recently found near Xiayangwan in Guanghe County, Gansu Province, presumably from the Liushu Formation. The skull represents a new species of Pararhizomys, named as Pararhizomys parvulus. The new species is characterized by: small size, upper molars higher crowned and m…

Postprint: Effects of Root Water Stress Response Functions on Soil Water, Crop Growth Dynamics, and Yield Simulation

Wang Tieying
2022-04-16 ChinaXiv: chinaxiv-202204.00136

To investigate the influence of root water stress response functions on field water dynamics and yield simulation, soil water dynamics and wheat yield were simulated using the Richards equation and the PS123 crop growth model, with comparative analysis conducted among three water stress response fun…

Changes in the urinary proteome during rat pregnancy

Tang Shuxuan, Gao Youhe, Tang Shuxuan, Gao Youhe
2022-04-01 ChinaXiv: chinaxiv-202204.00018

Objective: Pregnancy is a process during which the body's physiological state undergoes profound changes. The normal course of pregnancy is crucial for ensuring proper fetal development and maintaining maternal health. We attempted to explore whether changes in the urinary proteome can reflect the p…

Two Tetraploid New Species of Isoetes from China: Postprint

Shu Jiangping, Yufeng Gu, Ou Zhiguo, Shao Wen, Yang Juan, Lu Qiyong, Zhang Xianchun, Liu Baodong, Wang Ruijiang, YAN Yuehong
2022-03-30 ChinaXiv: chinaxiv-202204.00002

Isoëtes is the most anciently originated genus of aquatic vascular plants, with all species listed as National First-Class Protected Plants. Through nationwide investigation and research on Isoëtes plants, significant morphological differences were found among tetraploid individuals from different l…

Postprint of an Ethnobotanical Study on Forage Plants of the White-trouser Yao in China

Hu Renchuan, Hu Qimin, fellow farmers, Luo Binsheng
2022-03-30 ChinaXiv: chinaxiv-202204.00004

The Baiku Yao people have a strong tradition of raising and consuming local black pigs, and possess unique and extensive experience and knowledge regarding the collection and management of feed plants. This study aims to conduct an ethnobotanical inventory of feed plants and their related indigenous…

Cloning and Drought-Stress Expression Analysis of the SpLEA1 Gene from *Selaginella pulvinata* (Postprint)

Zhou Xuan, Peng-Hua Gao, Yan Bo
2022-03-30 ChinaXiv: chinaxiv-202204.00005

Late embryogenesis abundant (LEA) proteins are closely associated with plant stress resistance, protecting plant cells under drought stress, reducing plant damage, and are widely distributed across organisms. Selaginella pulvinata is a fern species with exceptional survival capacity under drought st…

<PARA id="1">Comparative Analysis of Chloroplast Genomes of Three Hibiscus mutabilis Cultivars and Closely Related Species: A Postprint</PARA>

Li Zhenbing, Ren Ting, Deng Jiaojiao, Chen Junpei, Zhou Songdong, Zeng Xinmei, Ma Jiao, Li Fangwen
2022-03-30 ChinaXiv: chinaxiv-202204.00007

Hibiscus mutabilis has a long cultivation history and is an ancient garden tree species and medicinal plant native to China. To investigate the evolutionary characteristics of H. mutabilis cultivars and their relatives, clarify the phylogenetic relationships among H. mutabilis cultivars and between …

Spring and Autumn Phenological Patterns of Subtropical Plants and Their Response to Climate Change (Postprint)

Chen Qin, Tang Xinran, Xue Qianhuai, Wang Xinyang, Du Yanjun
2022-03-30 ChinaXiv: chinaxiv-202204.00009

Phenological changes driven by global warming have already exerted significant impacts on biodiversity and ecosystems. Research on subtropical phenology remains relatively limited compared to that in temperate and frigid zones. Studies of autumn phenology are particularly scarce, and whether phenolo…

Genome-wide identification and expression analysis of SPL membrane-bound (STM) transcription factors in *Dendrobium officinale* postprint

Yang Le, Nie Cong, Long Xiaoqin, He Jize, Yan Chaoyue, Zhu Qiankun, Wang Wanjun
2022-03-30 ChinaXiv: chinaxiv-202204.00010

SPL transcription factors are widely involved in plant growth, development, and stress response processes. Currently, there are no studies on SPL membrane-bound (SPL with Transmembrane Motif) transcription factors, i.e., STM transcription factors, in Dendrobium officinale. To investigate the roles o…

Effects of Biochar Application on Soil Enzyme Activity in Eucalyptus Plantations in Northern Guangxi (Postprint)

Mou Zhiyi, Duan Chunyan, Li Yanyu, Zhang Denan, Sun Yingjie, Teng Qiumei, Chen Yunshuang, Cao Yang, Wang Zihui, Xu Guangping
2022-03-30 ChinaXiv: chinaxiv-202204.00011

This study investigated the response characteristics of soil enzyme activity to biochar input to provide a theoretical reference for the rational application of eucalyptus branch biochar. Based on a field experiment in eucalyptus plantations in northern Guangxi, biochar prepared from eucalyptus plan…

Myxarium and Myxarium porosum — New Records of Genus and Species for China (Postprint)

Zhu Xuetao, Du Fan, Ye Xiaoyan, Fan Jiaxin, Jiang Changsheng
2022-03-30 ChinaXiv: chinaxiv-202204.00014

This study conducted a taxonomic investigation on a morphologically distinct specimen of the genus Carcinomyces collected from Liancheng National Nature Reserve in Gansu Province, using morphological characterization and molecular phylogenetic analysis based on ITS sequences. The results indicate th…

Effects of Different Land Use Types and Restoration Patterns on the C:N:P Ratio of Soil Enzyme Activities in Karst Regions: Postprint

Runyang Zhang, 钱前, Liu Kunping, Liang Yueming, Zhang Wei, Jin Zhenjiang, Pan Fujing
2022-03-30 ChinaXiv: chinaxiv-202204.00015

To investigate the effects of different land use types and ecological restoration patterns on soil enzyme activities and their C:N:P ratios in karst regions, this study selected three land use types [degraded disturbed land, grassland, and fruit tree (loquat) forest land] and four restoration patter…

Seed Germination Characteristics of the Precious Tree Species Keteleeria calcarea in Karst Regions (Postprint)

Jiang Haidu, Weiling Xie, Chai Shengfeng, Tang Jianmin, Jiang Yunsheng, Qin Huizhen, Wei Xiao
2022-03-30 ChinaXiv: chinaxiv-202204.00016

Keteleeria davidiana var. calcarea is a precious tree species in mid-subtropical karst regions, characterized by a narrow distribution range and scarcity of wild seedlings, which severely constrains its natural regeneration. To investigate the causes of its endangerment and provide a reference for i…

Postprint: Physicochemical Properties and Composite Shear Strength of Alpine Grasslands at Different Degradation Levels in the Yellow River Source Region

Yang Fucheng, Liu Changyi, Hu Xiasong
2022-03-28 ChinaXiv: chinaxiv-202203.00112

To investigate the impacts of alpine grassland degradation on soil physicochemical properties and root-soil composite shear strength in the Yellow River source region, this study examined alpine grasslands in Henan County, Qinghai Province, within the Yellow River source region. Through field sampli…

Biomass Allocation Characteristics of Erodium oxyrhynchum in Different Habitats and Germination Types: Postprint

Zhang Yuanyuan, Meng Huanhuan, Zhou Xiaobing
2022-03-28 ChinaXiv: chinaxiv-202203.00114

Ephemeral plants represent an important functional group in desert ecosystems, exhibiting diverse habitats and asynchronous germination characteristics in many species. Biomass accumulation and allocation patterns reflect plant responses and adaptive traits to environmental conditions; thus, investi…

Leaf Morphology of Five Hypoxidaceae Species in China and Its Taxonomic Significance: Postprint

Tian Qin, Duan Hanning, Wang Yunqiang, Li Haitao, Li Lu
2022-03-18 ChinaXiv: chinaxiv-202203.00049

To clarify the taxonomic issues concerning intergeneric systematic relationships in the Hypoxidaceae family, this study selected five species from three genera of Chinese Hypoxidaceae as research subjects. Using light microscopy, scanning electron microscopy, and paraffin sectioning techniques, we o…

Variation in Net Photosynthetic Rate of Grapevine and Its Influencing Factors in Northwest Arid Region: Postprint

Qin Wenhua, Zhang Yang, Zhu Yongtai, Cong Xu, Chen Huiling, Zhu Gaofeng
2022-03-18 ChinaXiv: chinaxiv-202203.00052

As one of the main economic crops in the arid regions of northwestern China, understanding its photosynthetic production process is crucial for cultivation. To investigate the photosynthetic physiological characteristics of grapes under natural field conditions and the main factors affecting grape p…

Analysis of Fungal Community Composition in Root Endosphere and Rhizosphere Soil of Nervilia fordii from Guangxi Karst Region (Postprint)

Tan Xiaoming, Yang Xinfeng, Sun Xueping, Zhou Yaqin, HU Shiyi, Yuan Changgé, Shi Zhongheng
2022-03-18 ChinaXiv: chinaxiv-202203.00057

To investigate the diversity of fungal communities in the roots and rhizosphere soil of Nervilia fordii (Orchidaceae), this study utilized Illumina MiSeq high-throughput sequencing technology to analyze the fungal composition in the roots and rhizosphere soil of N. fordii from two sampling sites, Da…

Postprint: Diversity of Endophytic Fungi from Guangxi Oleander and Screening for Inhibitory Activity Against Several Aquatic Pathogenic Bacteria

Song Jingjing, Luo Meimiao, Li Lu, Yang Zicong, Wang Lin, Zhuge Liang's wisdom, Qiu Qinghua, Zhu Kaixin, Su Benwei, Gong Bin
2022-03-18 ChinaXiv: chinaxiv-202203.00060

Oleander is an important medicinal plant. To investigate the diversity of endophytic fungi in oleander and evaluate the activity of their secondary metabolites, this study isolated and purified endophytic fungi from Guangxi oleander (Nerium indicum), identified them using a combination of morphologi…

Postprint: Relationships Between Plant Community Species Diversity and Soil Factors Along Elevational Gradients in the Balguntay Region, Southern Slope of the Central Tianshan Mountains

Ma Zijing, Zhang Yunling, Liu Bin
2022-03-18 ChinaXiv: chinaxiv-202203.00061

To investigate the distribution characteristics of plant community species diversity along an elevation gradient and its relationship with soil environmental factors in the Baluntai region on the southern slope of the middle Tianshan Mountains, this study employed field survey methods, establishing …

Postprint: Rhizosphere Soil Microbial Diversity of Paris polyphylla var. chinensis at Different Growth Years

Xian Kanghua, Su Jiang, Fu Chuanming, He Wen, Liu Baojun, Dongbin Xie, Ningzhen Huang, He Jinxiang
2022-03-18 ChinaXiv: chinaxiv-202203.00062

To investigate the relationship between the growth and development of Paris polyphylla and changes in soil microbial community structure, this study employed Illumina high-throughput sequencing technology to sequence and analyze bacterial 16S rRNA and fungal 18S sequences in the rhizosphere soil of …

Differences in Growth, Photosynthesis, and Stress Resistance of Mulberry and Paper Mulberry under Bicarbonate Treatment (Postprint)

Li Shihong, Yao Kai, Liu Yingliang, Wu Yanyou
2022-03-18 ChinaXiv: chinaxiv-202203.00063

To investigate the effects of HCO3- on plant growth and physiological characteristics under bicarbonate stress in karst habitats, seedlings of Broussonetia papyrifera and Morus alba were used to examine plant growth, photosynthetic capacity, antioxidant enzyme activities, osmotic adjustment substanc…

Comparison of Urine Proteomes in Tumor-Bearing and Tumor-Resected Mice

Heng Ziqi, Zhao Chenyang, Gao Youhe, Zhao Chenyang, Youhe Gao
2022-03-14 ChinaXiv: chinaxiv-202203.00024

Objective This study addressed the critical concern of clinical surgeons—the efficacy of solid tumor resection. The urinary proteome can sensitively reflect physiological changes in the organism. This study explored changes in the urinary proteome of mice with MC38 subcutaneous tumors following rese…

Urine Proteomics for Prediction of Escitalopram Efficacy

Shuxuan Tang¹, Yuhang Huan¹#, Youhe Gao¹*, Jian Yang²*, Tang Shuxuan1 Xun Yuhang1# Gao Youhe1* Yang Jian2*
2022-03-11 ChinaXiv: chinaxiv-202203.00030

Abstract Objective: Escitalopram requires approximately 12 weeks to demonstrate efficacy in the treatment of depression. We sought to explore the prediction of drug efficacy before medication administration using a urinary proteome approach. Methods: We selected urine samples from 10 good responders…

Changes in Urine Proteome Before and After Influenza Vaccination

Pan Xuanzhen, Liu Yongtao, Bao Yijin, Gao Youhe, Youhe Gao
2022-03-09 ChinaXiv: chinaxiv-202203.00026

Proteins in urine are enriched through multiple filtrations of plasma by the glomeruli, and the information they contain can sensitively reflect changes in the human body. Following vaccination, blood antibody titers and seroconversion rates are typically assessed at 2–4 weeks; could urine enable ea…

Changes in the Urinary Proteome in a Rat Model of Acute Hypoxia

BAO Yijin, Cheng Xiang, Zhu Lingling, Fan Ming, Youhe Gao, Gao Youhe
2022-03-03 ChinaXiv: chinaxiv-202203.00007

[Objective] This study aims to investigate the effects of hypoxia on the rat urinary proteome and identify changes in urinary proteins associated with hypoxic stress. [Methods] This study employed liquid chromatography-tandem mass spectrometry (LC-MS/MS) to screen for differential urinary proteins i…

Urinary Proteomic Alterations in Stroke-Prone Spontaneously Hypertensive Rats (SHRSP)

Meng Wenshu, Gao Youhe, Gao Youhe
2022-02-28 ChinaXiv: chinaxiv-202203.00002

Hypertension is a multifactorial complex disease associated with genetic and environmental factors that has become one of the most serious public health challenges. Despite progress in blood pressure reduction, the diagnosis and treatment of hypertension remain limited due to insufficient investigat…

Nutrient Enrichment Enhances Growth and Competitive Ability of Invasive Giant Ragweed (Ambrosia trifida) Populations Postprint

Wei Chunqiang, Tang Saichun, Li Xiangqin, Pan Yumei
2022-02-14 ChinaXiv: chinaxiv-202202.00038

Understanding the effects of nutrient enrichment on the growth and competition of invasive plants, as well as the differential responses of different invasive populations to nutrient variation, is crucial for predicting invasion risk. To investigate the invasion risk of Bidens frondosa, this study e…

Characterization of the Complete Chloroplast Genome of Wild Populations of *Morina nepalensis* var. alba: A Postprint

Zhang Qian, Zhang Dequan
2022-02-14 ChinaXiv: chinaxiv-202202.00041

Acanthocalyx alba is a commonly used medicinal plant in Tibetan regions, yet studies on its complete chloroplast genome remain scarce. To elucidate the fundamental characteristics of this species' chloroplast genome and investigate its lineage genetic structure, this study employed the Illumina sequ…

Postprint: Whole-Genome Size and Characteristics Analysis of Cliff Plants *Opisthopappus taihangensis* and *Opisthopappus longilobus*

Wang Yiling, Zang En, Zhang Hao, Liu Zhixia, Lan Yafei, He Shan, Hao Weili, Yanling Cao
2022-02-14 ChinaXiv: chinaxiv-202202.00042

Opisthopappus taihangensis and Opisthopappus longilobus are endemic perennial cliff herbs of the Taihang Mountains, important wild resources of the family Compositae with high economic and ecological value. To determine suitable whole-genome sequencing strategies for the two species, this study empl…

Postprint: Analysis of Salinity and Halophytic Vegetation Diversity in Uncultivated Saline-Alkali Soils of the Junggar Basin, Xinjiang

Liang Meng
2022-02-11 ChinaXiv: chinaxiv-202202.00029

This study investigated uncultivated saline-alkali soils in the Junggar Basin, Xinjiang, measuring soil salt content, pH, electrical conductivity, eight major ions, and other indicators. Multivariate statistics and principal component analysis (PCA) were employed to examine the distribution characte…

Postprint: Study on the Relationship Between Soil Factors and Leaf Functional Traits in Nitraria Shrub Sand Dunes at Different Successional Stages

Wang Fei
2022-02-11 ChinaXiv: chinaxiv-202202.00030

The relationship between plant functional traits and the environment constitutes a focal point of functional trait research; environmental factors drive changes in plant functional traits, thereby promoting community succession. This study investigated Nitraria tangutorum shrub sand dunes at differe…

Investigation of Urinary Proteome Alterations in a DEN-Induced Rat Model of Hepatic Inflammation-Cancer

Wang Yunlong, Gao Youhe, Youhe Gao
2022-01-09 ChinaXiv: chinaxiv-202201.00038

[Objective] To observe the dynamic changes in the urinary proteome across different disease stages in a DEN-induced inflammation-cancer model of hepatocellular carcinoma. [Methods] In this study, a rat inflammation-cancer model of hepatocellular carcinoma was established via intraperitoneal injectio…