Nanjing Ji

ORCID: 0000-0002-9199-4148
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About
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Research Areas
  • Marine and coastal ecosystems
  • Microbial Community Ecology and Physiology
  • Protist diversity and phylogeny
  • Marine Toxins and Detection Methods
  • Aquatic Ecosystems and Phytoplankton Dynamics
  • Genomics and Phylogenetic Studies
  • Aquaculture Nutrition and Growth
  • Marine Biology and Ecology Research
  • Chromosomal and Genetic Variations
  • Marine Bivalve and Aquaculture Studies
  • Marine Biology and Environmental Chemistry
  • Marine and coastal plant biology
  • Environmental Toxicology and Ecotoxicology
  • Aquaculture disease management and microbiota
  • Algal biology and biofuel production
  • Photoreceptor and optogenetics research
  • Genetic diversity and population structure
  • Polyamine Metabolism and Applications
  • Crustacean biology and ecology
  • Aquatic life and conservation
  • Photosynthetic Processes and Mechanisms
  • Environmental DNA in Biodiversity Studies
  • Nematode management and characterization studies
  • Adsorption and biosorption for pollutant removal
  • Microtubule and mitosis dynamics

Jiangsu Yanjiang Chemical Resources Development Research Institute (China)
2022-2024

Institute of Oceanology
2022-2024

Chinese Academy of Sciences
2022-2024

Xiamen University
2015-2020

University of Connecticut
2018-2020

Jiangsu Ocean University
2019

Transposable elements are in a constant arms race with the silencing mechanisms of their host genomes. One mechanism commonly used by many eukaryotes is dependent on cytosine methylation, covalent modification DNA deposited C5 methyltransferases (DNMTs). Here, we report how two distantly related eukaryotic lineages, dinoflagellates and charophytes, have independently incorporated DNMTs into coding regions distinct retrotransposon classes. Concomitantly, show that genus Symbiodinium evolved...

10.1038/s41467-018-03724-9 article EN cc-by Nature Communications 2018-04-04

Summary Despite numerous laboratory studies on physiologies of harmful algal bloom (HAB) species, these algae during a natural are understudied. Here, we investigated the raphidophyte Heterosigma akashiwo in East China Sea 2014 using metabarcode (18S rDNA) and metatranscriptome sequencing. Based 18S rDNA analyses, phytoplankton community shifted from high diversity pre‐bloom stage to H. predominance bloom. A sharp decrease ambient dissolved inorganic phosphate strong up‐regulation organic...

10.1111/1462-2920.14045 article EN Environmental Microbiology 2018-01-18

Enterocytozoon hepatopenaei (EHP), a microsporidian responsible for hepatopancreatic microsporidiosis, is major pathogen in commercial shrimp production. Among the affected species, Palaemon carinicauda (formerly Exopalaemon carinicauda) commercially important China and represents potential research model studying crustaceans. However, little information available on its response to EHP infection. Hence, this study analyzed transcriptome metabolome of P. carinicauda’s hepatopancreas using...

10.3390/fishes8020092 article EN cc-by Fishes 2023-02-05

The raphidophyte Heterosigma akashiwo is a globally distributed harmful alga that has been associated with fish kills in coastal waters. To understand the mechanisms of H. bloom formation, gene expression analysis often required. accurately characterize levels interest, proper reference genes are essential. In this study, we assessed ten previously reported algal candidate (rpL17-2, rpL23, cox2, cal, tua, tub, ef1, 18S, gapdh, and mdh) for their suitability as species. We used qRT-PCR to...

10.1371/journal.pone.0132183 article EN cc-by PLoS ONE 2015-07-02

Alexandrium pacificum, a dinoflagellate known for causing harmful algal blooms (HABs), has garnered significant attention due to its potential toxicity marine ecosystems, fisheries, and human health. However, the effects of this toxin-producing alga on shrimp are not yet comprehensively understood. This study aimed assess hepatopancreas damage induced by A. pacificum in economically important species E. carinicauda elucidate underlying molecular mechanisms through histology, antioxidant...

10.3390/ijms26041605 article EN International Journal of Molecular Sciences 2025-02-13

Harmful algae blooms (HABs) have increased in intensity and frequency worldwide, causing negative effects on public health marine ecosystems. This study isolated identified the bloom species its associated algicidal bacterium during a phytoplankton coastal waters of Lianyungang, China. Morphological observations DNA barcoding analysis indicate that studied was caused by raphidophyte Heterosigma akashiwo, bacterium, strain LD-B1, as belonging to genus Pseudoalteromonas. Furthermore, LD-B1...

10.1080/09593330.2022.2036250 article EN Environmental Technology 2022-01-31

Proliferating cell nuclear antigen (PCNA) plays critical roles in eukaryotic DNA replication and replication-associated processes. It is typically encoded by one or two gene copies (pcna) genomes. Recently reported higher copy numbers of pcna some dinoflagellates raised a question how this has uniquely evolved phylum. Through real-time PCR quantification, we found wide range number (2-287 copies) 11 dinoflagellate species (n = 38), strong positive correlation between genome size (log10...

10.1111/jpy.12815 article EN Journal of Phycology 2018-11-23

The ichthyotoxic raphidophyte Heterosigma akashiwo is associated with harmful algal blooms (HABs). Although the influence of H. on fish has been reported, little known its effects other marine organisms, such as shellfish. In this study, physiological and transcriptomic responses Asiatic hard clam Meretrix meretrix to were investigated. results showed that survival was not influenced by (at a concentration 2 × 104 cells/mL), M. eliminated alga effectively after 48 h in co-culture. did alter...

10.3390/fishes8020067 article EN cc-by Fishes 2023-01-22

, a marine red algae species, has significant economic and ecological value. However, phosphorus (P) deficiency emerged as growing concern in many cultivation regions, negatively impacting its growth. To adapt to P deficiency, have evolved various strategies, including using dissolved organic (DOP) sources sustain Despite prevalence form of DOP, the utilization mechanism glucose-6-phosphate (G6P) by

10.3390/ijms252312894 article EN International Journal of Molecular Sciences 2024-11-30

The raphidophyte Heterosigma akashiwo is a harmful algal species. bloom of this organism has been associated with the massive mortality fish in many coastal waters. To investigate molecular mechanism H. blooms, having reliable reference transcriptome species essential. Therefore, study, full-length was obtained by single-molecule real-time sequencing. In total, 45.44 Gb subread bases were generated, and 16,668 unigenes after sequencing data processing. A total 8666 (52.00%) successfully...

10.3390/microorganisms11020389 article EN cc-by Microorganisms 2023-02-03

The first mitochondrial genome of Tetraclita japonica from China was presented. T. CN is a circular DNA molecule containing 15,192 bp. It contains 13 protein-coding genes, two rRNAs genes and 22 tRNAs. Four PCGs, seven tRNAs, are encoded on the light strand (trnF, nd5, trnH, nd4, nd4L, trnP, nd1, trnL1, lrRNA, trnV, srRNA, trnK, trnQ), other nine PCGs located heavy strand. length all non-coding regions 667 bp longest one distributed between srRNA trnK (263 bp). Interestingly, cox1 started...

10.1080/23802359.2019.1617057 article EN cc-by Mitochondrial DNA Part B 2019-01-02

Harmful algal blooms (HABs) pose significant threats to ecosystems and human health worldwide, with their frequency intensity increasing substantially. The present study reports an bloom observed in aquaculture pond near Haizhou Bay July 2022. causative species, identified through morphological observation DNA barcoding analysis, was the dinoflagellate

10.3390/microorganisms12112202 article EN cc-by Microorganisms 2024-10-31

The complete mitochondrial genome of Glycera chirori Izuka (Annelida: Polychaeta) was presented, which is a circular molecule 15,930 bp nucleotides. It encodes 37 genes, including 13 PCGs, 22 tRNAs, and two rRNAs. length non-coding regions 1428 bp, the longest one (1346 bp) speculated as control region, located between trnA trnL2 longer than most species in Glycera. mitogenome G. consists 31.2% A, 23.6% C, 12.9% G, 32.2% T, has T vs. A skew (−0.02) C G (−0.29), respectively. Phylogenetic...

10.1080/23802359.2019.1681318 article EN cc-by Mitochondrial DNA Part B 2019-07-03
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