Hao Zheng

ORCID: 0000-0003-3313-1675
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About
Contact & Profiles
Research Areas
  • Plant and animal studies
  • Insect and Pesticide Research
  • Insect and Arachnid Ecology and Behavior
  • Insect symbiosis and bacterial influences
  • Gut microbiota and health
  • Wastewater Treatment and Nitrogen Removal
  • Constructed Wetlands for Wastewater Treatment
  • Bee Products Chemical Analysis
  • Genomics and Phylogenetic Studies
  • Plant Stress Responses and Tolerance
  • Bacteriophages and microbial interactions
  • Microbial Community Ecology and Physiology
  • Microplastics and Plastic Pollution
  • Water Quality Monitoring and Analysis
  • Microbial Fuel Cells and Bioremediation
  • Coconut Research and Applications
  • Coastal wetland ecosystem dynamics
  • Hydrocarbon exploration and reservoir analysis
  • Aquaculture disease management and microbiota
  • Plant responses to water stress
  • Smart Agriculture and AI
  • Advanced oxidation water treatment
  • Nanoparticles: synthesis and applications
  • Plant Gene Expression Analysis
  • Face recognition and analysis

China Agricultural University
2018-2025

Chongqing University
2021-2025

Max Planck Institute for Terrestrial Microbiology
2015-2025

Nanjing University of Chinese Medicine
2025

Nanjing Drum Tower Hospital
2025

Southwest Forestry University
2025

China University of Petroleum, Beijing
2025

Tianjin University
2024

Sichuan Agricultural University
2024

Ministry of Agriculture and Rural Affairs
2021-2024

Significance Honey bees are globally important plant pollinators. Guts of adult workers contain specialized bacteria not found outside bees. Experimental results show that gut increase weight gain in young bees, affect expression genes governing insulin and vitellogenin levels, sucrose sensitivity. Gut also shape the physicochemical conditions within gut, lowering pH oxygen levels. Peripheral resident consume oxygen, thus maintaining anoxia, as required for microbial activity. Additionally,...

10.1073/pnas.1701819114 article EN Proceedings of the National Academy of Sciences 2017-04-18

Bees acquire carbohydrates from nectar and lipids; amino acids pollen, which also contains polysaccharides including cellulose, hemicellulose, pectin. These potential energy sources could be degraded fermented through microbial enzymatic activity, resulting in short chain fatty available to hosts. However, the contributions of individual microbiota members polysaccharide digestion have remained unclear. Through analysis bacterial isolate genomes a metagenome honey bee gut microbiota, we...

10.1073/pnas.1916224116 article EN Proceedings of the National Academy of Sciences 2019-11-27

ABSTRACT Social bees collect carbohydrate-rich food to support their colonies, and yet, certain carbohydrates present in diet or produced through the breakdown of pollen are toxic bees. The gut microbiota social is dominated by a few core bacterial species, including Gram-negative species Gilliamella apicola . We isolated 42 strains G. from guts honey bumble sequenced genomes. All share high 16S rRNA gene similarity, but they vary extensively repertoires related carbohydrate metabolism....

10.1128/mbio.01326-16 article EN cc-by mBio 2016-11-02

Honeybees are highly social insects with a rich behavioral repertoire and versatile model for neurobiological research. Their gut microbiota comprises limited number of host-restricted bacterial phylotypes that important honeybee health. However, it remains unclear how specific members affect behaviors. Here, we find antibiotic exposure disturbs the community influences phenotypes under field conditions. Using laboratory-generated gnotobiotic bees, show normal is required olfactory learning...

10.1038/s41467-022-29760-0 article EN cc-by Nature Communications 2022-04-19

Honeybee gut microbiota plays an important role in host physiology and metabolism. Recent studies have shown that the influence of resident microorganisms regulation honeybee immune system is profound, which protects against pathogen Serratia marcescens. However, only few core members functions been studied. Here, we explored how different bee bacterial species aided clearance pathogenic Hafnia alvei, causes septicemia with a high mortality rate. We found both Gilliamella apicola W8136...

10.1128/spectrum.01896-21 article EN Microbiology Spectrum 2022-01-05

Summary The bacterial tree contains many deep‐rooting clades without any cultured representatives. One such clade is ‘ E ndomicrobia’, a class‐level lineage in the phylum lusimicrobia represented so far only by intracellular symbionts of termite gut flagellates. Here, we report isolation and characterization first free‐living member this from sterile‐filtered homogenate defaunated (starch‐fed) R eticulitermes santonensis . Strain sa215 strictly anaerobic ultramicrobacterium that grows...

10.1111/1462-2920.12960 article EN Environmental Microbiology 2015-06-29

The honeybee possesses a limited number of bacterial phylotypes that play essential roles in host metabolism, hormonal signaling, and feeding behavior. However, the contribution individual gut members shaping brain profiles remains unclear. By generating gnotobiotic bees which were mono-colonized by single bacterium, we revealed different species regulated specific modules metabolites hemolymph. Circulating involved carbohydrate glycerophospholipid metabolism pathways mostly Gilliamella,...

10.1128/spectrum.02438-21 article EN Microbiology Spectrum 2022-03-10

Abstract Nosema ceranae is an intracellular parasite invading the midgut of honeybees, which causes serious nosemosis implicated in honeybee colony losses worldwide. The core gut microbiota involved protecting against parasitism, and genetically engineering native symbionts provides a novel efficient way to fight pathogens. Here, using laboratory-generated bees mono-associated with members, we find that Snodgrassella alvi inhibit microsporidia proliferation, potentially via stimulation host...

10.1038/s41467-023-38498-2 article EN cc-by Nature Communications 2023-05-20

Abstract Saline–alkali is an important abiotic stressor influencing tomato production. Exogenous methyl jasmonate (MeJA) well known to increase resistance a variety of stresses, although its exact mechanism yet unknown. In this study we confirmed that 22.5 μmol/l MeJA could significantly improve the saline–alkali stress tomato. (300 mM) increased endogenous and jasmonic acid (JA) contents by 18.8 13.4%, respectively. application JA in 15.2 15.9%, Furthermore, found transcription factor,...

10.1093/hr/uhae028 article EN cc-by Horticulture Research 2024-01-24

SUMMARY Saline‐alkali stress is an important abiotic factor affecting tomato ( Solanum lycopersicum L.) plant growth. Although the involvement of SlWRKY gene family in responses to saline‐alkali has been well established, mechanism underlying resistance remains unclear. In this study, we investigated role SlWRKY81 conferring by using overexpression and knockout seedlings obtained via genetic modification. We demonstrated that improves ability withstand enhancing antioxidant capacity, root...

10.1111/tpj.16709 article EN The Plant Journal 2024-03-11

Abstract Background Honey bee gut microbiota transmitted via social interactions are beneficial to the host health. Although microbial community is relatively stable, individual variations and high strain-level diversity have been detected across honey bees. structure influenced by environmental factors, heritability of members contribution genetics remains elusive. Considering bees within a colony not readily genetically identical due polyandry queen, we hypothesize that can be shaped...

10.1186/s40168-021-01174-y article EN cc-by Microbiome 2021-11-17

Abstract Background Microbial acquisition and development of the gut microbiota impact establishment a healthy host-microbes symbiosis. Compared with other animals, eusocial bumblebees honeybees possess simple, recurring, similar set microbiota. However, all bee phylotypes have high strain-level diversity. Gut communities different species are composed host-specific groups strains. The variable genomic regions among strains same often confer critical functional differences, such as carbon...

10.1186/s40168-021-01163-1 article EN cc-by Microbiome 2021-11-04

Salt stress adversely affects the growth and yield of crops. Glutathione S-transferases (GSTs) are involved in plant responses to biotic abiotic stresses. In this study, 400 mM NaCl significantly induced expression S-transferase U43 (SlGSTU43) roots wild-type tomato (Solanum lycopersicum L.) plants. Overexpressing SlGSTU43 enhanced ability scavenging reactive oxygen species (ROS) leaves under stress, while knock-out mutants showed opposite performance. RNA sequencing analysis revealed that...

10.1093/plphys/kiae504 article EN PLANT PHYSIOLOGY 2024-09-26
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