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Article ; Online: Rhodobacter sphaeroides supplementation improves defense ability of Chinese mitten crab Eriocheir sinensis against Shewanella putrefaciens infection via intestinal flora and metabolism regulation.

Cao, Haipeng / Zheng, Xurui / Teng, Chenhao / Xu, La / Wang, Youhong / Gai, Chunlei / Ye, Haibin

2024 Volume 204, Page(s) 108120

Abstract: Shewanella putrefaciens is a vital bacterial pathogen implicated in serious diseases in Chinese mitten crab Eriocheir sinensis. Yet the use of probiotics to improve the defense ability of E. sinensis against S. putrefaciens infection remains poorly ... ...

Abstract	Shewanella putrefaciens is a vital bacterial pathogen implicated in serious diseases in Chinese mitten crab Eriocheir sinensis. Yet the use of probiotics to improve the defense ability of E. sinensis against S. putrefaciens infection remains poorly understood. In the present study, the protective effect of dietary R. sphaeroides against S. putrefaciens infection in E. sinensis was evaluated through antioxidant capability, immune response, and survival under bacterial challenge assays, and its protective mechanism was further explored using a combination of intestinal flora and metabolome assays. Our results indicated that dietary R. sphaeroides could significantly improve immunity and antioxidant ability of Chinese mitten crabs, thereby strengthening their disease resistance with the relative percentage survival of 81.09% against S. putrefaciens. In addition, dietary R. sphaeroides could significantly alter the intestinal microbial composition and intestinal metabolism of crabs, causing not only the reduction of potential threatening pathogen load but also the increase of differential metabolites in tryptophan metabolism, pyrimidine metabolism, and glycerophospholipid metabolism. Furthermore, the regulation of differential metabolites such as N-Acetylserotonin positively correlated with beneficial Rhodobacter could be a potential protection strategy for Shewanella infection. To the best of our knowledge, this is the first study to illustrate the protective effect and mechanism of R. sphaeroides supplementation to protect E. sinensis against S. putrefaciens infection.
Language	English
Publishing date	2024-04-27
Publishing country	United States
Document type	Journal Article
ZDB-ID	390885-9
ISSN	1096-0805 ; 0022-2011
ISSN (online)	1096-0805
ISSN	0022-2011
DOI	10.1016/j.jip.2024.108120
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Article ; Online: The Drosophila homolog of APP promotes Dscam expression to drive axon terminal growth, revealing interaction between Down syndrome genes.

Pizzano, Sarah / Sterne, Gabriella R / Veling, Macy W / Xu, L Amanda / Hergenreder, Ty / Ye, Bing

Disease models & mechanisms

2023 Volume 16, Issue 9

Abstract: Down syndrome (DS) is caused by triplication of human chromosome 21 (HSA21). Although several HSA21 genes have been found to be responsible for aspects of DS, whether and how HSA21 genes interact with each other is poorly understood. DS patients and ... ...

Abstract	Down syndrome (DS) is caused by triplication of human chromosome 21 (HSA21). Although several HSA21 genes have been found to be responsible for aspects of DS, whether and how HSA21 genes interact with each other is poorly understood. DS patients and animal models present with a number of neurological changes, including aberrant connectivity and neuronal morphology. Previous studies have indicated that amyloid precursor protein (APP) and Down syndrome cell adhesion molecule (DSCAM) regulate neuronal morphology and contribute to neuronal aberrations in DS. Here, we report the functional interaction between the Drosophila homologs of these two genes, Amyloid precursor protein-like (Appl) and Dscam (Dscam1). We show that Appl requires Dscam to promote axon terminal growth in sensory neurons. Moreover, Appl increases Dscam protein expression post-transcriptionally. We further demonstrate that regulation of Dscam by Appl does not require the Appl intracellular domain or second extracellular domain. This study presents an example of functional interactions between HSA21 genes, providing insights into the pathogenesis of neuronal aberrations in DS.
MeSH term(s)	Animals ; Humans ; Amyloid beta-Protein Precursor/genetics ; Down Syndrome/genetics ; Drosophila ; Drosophila Proteins/genetics ; Membrane Proteins ; Models, Animal ; Nerve Tissue Proteins ; Presynaptic Terminals
Chemical Substances	Amyloid beta-Protein Precursor ; Appl protein, Drosophila ; Drosophila Proteins ; Membrane Proteins ; Nerve Tissue Proteins ; Dscam1 protein, Drosophila
Language	English
Publishing date	2023-09-15
Publishing country	England
Document type	Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
ZDB-ID	2451104-3
ISSN	1754-8411 ; 1754-8403
ISSN (online)	1754-8411
ISSN	1754-8403
DOI	10.1242/dmm.049725
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Article: Phenotypic and genomic characterization of pathogenic Providencia rettgeri from kuruma shrimp Marsupenaeus japonicus

Cao, Haipeng / Gu, Ying / Diao, Jing / Xu, La / Xu, Tianyue / Jin, Tongtong / Gai, Chunlei

Transboundary and emerging diseases. 2022 Sept., v. 69, no. 5

2022

Abstract: Providencia rettgeri has been recognized as a zoonotic pathogen of humans and aquaculture animals and has become a global public health concern. However, scarce information is available on the characterization of pathogenic P. rettgeri from kuruma shrimp ...

Abstract	Providencia rettgeri has been recognized as a zoonotic pathogen of humans and aquaculture animals and has become a global public health concern. However, scarce information is available on the characterization of pathogenic P. rettgeri from kuruma shrimp Marsupenaeus japonicus. In the present study, a P. rettgeri isolate (KM4) was confirmed as a causative agent of red leg disease in cultured M. japonicus, which showed a median lethal dose (LD₅₀) value of 5.01 × 10⁵ CFU·ml⁻¹ and had multiple resistances to aminoglycosides, sulfonamides, and tetracycline antimicrobials used in aquaculture. In addition, the whole genome of isolate KM4 was sequenced and found to consist of a single circular chromosome of 4,378,712 bp and a circular plasmid of 171,394 bp. The genome sequence analysis further revealed the presence of potential virulence and antibiotic resistance genes in isolate KM4, which probably rendered this isolate particularly virulent. To our knowledge, this is the first study to characterize P. rettgeri pathogens from kuruma shrimp infected with red leg disease. The findings of this study can provide novel insights into the presence and distribution of pathogenicity‐associated genes in shrimp‐pathogenic P. rettgeri.
Keywords	Marsupenaeus japonicus ; Providencia rettgeri ; aminoglycosides ; antibiotic resistance ; aquaculture ; chromosomes ; genome ; genomics ; lethal dose 50 ; nucleotide sequences ; pathogens ; phenotype ; plasmids ; public health ; sequence analysis ; tetracycline ; virulence
Language	English
Dates of publication	2022-09
Size	p. e2967-e2977.
Publishing place	John Wiley & Sons, Ltd
Document type	Article
Note	JOURNAL ARTICLE
ZDB-ID	2414822-2
ISSN	1865-1682 ; 1865-1674
ISSN (online)	1865-1682
ISSN	1865-1674
DOI	10.1111/tbed.14647
Database	NAL-Catalogue (AGRICOLA)

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Article: Protective effects of Bacillus licheniformis against Citrobacter freundii infection in Chinese mitten crab Eriocheir sinensis

Cao, Haipeng / Huang, Xiaodong / Gu, Ying / Zheng, Xurui / Xu, La / Gai, Chunlei

Journal of invertebrate pathology. 2022 Sept., v. 193

2022

Abstract: Citrobacter freundii is an important bacterial pathogen that causes serious diseases in Chinese mitten crab Eriocheir sinensis. However, scarce information is available on the use of Bacillus licheniformis to protect E. sinensis from C. freundii ... ...

Abstract	Citrobacter freundii is an important bacterial pathogen that causes serious diseases in Chinese mitten crab Eriocheir sinensis. However, scarce information is available on the use of Bacillus licheniformis to protect E. sinensis from C. freundii infection by improving the immunity, antioxidant ability and intestinal flora. In the present study, a 60-day feeding trial was conducted to examine the potential effects of dietary supplementation with antagonistic B. licheniformis on the non-specific immunity, antioxidant capability, intestinal flora and resistance of E. sinensis to C. freundii infection. The results indicated that dietary supplementation of B. licheniformis could boost non-specific immunity and antioxidant capability of E. sinensis in a significant dose-dependent manner respectively by increasing serum lysozyme, superoxide dismutase, alkaline phosphatase, and catalase activities and hepatopancreatic superoxide dismutase, catalase, acid phosphatase activities. In addition, crabs fed diets with B. licheniformis displayed increased composition and diversity of the intestinal flora, and exhibited significant defense against C. freundii infection with the relative percentage survivals ranging from 61.9% to 100.0% for seven days. To our knowledge, this is the first report of antagonistic B. licheniformis as a supplement in Chinese mitten crab feed to effectively resist C. freundii infection by improving the non-specific immunity, antioxidant status and intestinal flora.
Keywords	Bacillus licheniformis ; Citrobacter freundii ; Eriocheir sinensis ; acid phosphatase ; alkaline phosphatase ; antioxidant activity ; antioxidants ; blood serum ; catalase ; dietary supplements ; dose response ; immunity ; intestinal microorganisms ; lysozyme ; pathogens ; superoxide dismutase
Language	English
Dates of publication	2022-09
Publishing place	Elsevier Inc.
Document type	Article
ZDB-ID	390885-9
ISSN	1096-0805 ; 0022-2011
ISSN (online)	1096-0805
ISSN	0022-2011
DOI	10.1016/j.jip.2022.107805
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Overexpression of the Ginkgo biloba WD40 gene GbLWD1-like improves salt tolerance in transgenic Populus.

Xin, Yue / Wu, Yaqiong / Han, Xin / Xu, Li-An

Plant science : an international journal of experimental plant biology

2021 Volume 313, Page(s) 111092

Abstract: WD40 transcription factors are an ancient protein family whose members play important roles in plant growth and stress resistance. In this study, a new WD40 gene was cloned from Ginkgo biloba L. via the rapid amplification of cDNA ends (RACE) technique. ... ...

Abstract	WD40 transcription factors are an ancient protein family whose members play important roles in plant growth and stress resistance. In this study, a new WD40 gene was cloned from Ginkgo biloba L. via the rapid amplification of cDNA ends (RACE) technique. This gene was 824 bp in length and encoded 109 amino acids. Sequence alignment and phylogenetic analysis showed that this transcription factor was most similar to the LWD1 protein, and it was thus named GbLWD1-like. This gene was expressed mainly in the leaves, followed by the roots. Phenotypic analysis showed that the transgenic plants grew better, were taller, and had significantly more roots than the control check (CK) plants. Moreover, the transgenic plants were more tolerant to salt stress than the CK plants. After 11 days of salt treatment, all the leaves of the CK plants had dried up and fallen off, whereas in the transgenic lines, only the edges of the bottom leaves had turned yellow. Under salt stress, the expression levels of some genes related to salt tolerance were higher in the transgenic plants than in the CK plants. This study suggests that the GbLWD1-like gene may be related to the growth potential and improved salt tolerance of plants and may play an important role in the response to adversity.
MeSH term(s)	China ; Gene Expression Regulation, Plant ; Genes, Plant ; Ginkgo biloba/genetics ; Plant Breeding/methods ; Plants, Genetically Modified/genetics ; Plants, Genetically Modified/physiology ; Populus/genetics ; Populus/physiology ; Salt Stress ; Salt Tolerance/genetics ; Salt Tolerance/physiology ; Transcription Factors
Chemical Substances	Transcription Factors
Language	English
Publishing date	2021-10-12
Publishing country	Ireland
Document type	Journal Article
ZDB-ID	742010-9
ISSN	1873-2259 ; 0168-9452
ISSN (online)	1873-2259
ISSN	0168-9452
DOI	10.1016/j.plantsci.2021.111092
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Article: Genome-Wide Identification of PLATZ Transcription Factors in

Han, Xin / Rong, Hao / Tian, Yating / Qu, Yanshu / Xu, Meng / Xu, Li-An

Frontiers in plant science

2022 Volume 13, Page(s) 946194

Abstract: Plant AT-rich protein and zinc-binding protein (PLATZ) is a class of plant-specific zinc-dependent DNA-binding protein that binds to A/T-rich DNA sequences. PLATZ plays an important role in seed development, water tolerance, and cell proliferation in ... ...

Abstract	Plant AT-rich protein and zinc-binding protein (PLATZ) is a class of plant-specific zinc-dependent DNA-binding protein that binds to A/T-rich DNA sequences. PLATZ plays an important role in seed development, water tolerance, and cell proliferation in early plant growth. In this study, 11
Language	English
Publishing date	2022-06-23
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2613694-6
ISSN	1664-462X
ISSN	1664-462X
DOI	10.3389/fpls.2022.946194
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Article ; Online: Rhodobacter azotoformans supplementation improves defense ability of Chinese mitten crab Eriocheir sinensis against citrobacteriosis.

Cao, Haipeng / Zhang, Shumeng / An, Jian / Diao, Jing / Xu, La / Gai, Chunlei

Fish & shellfish immunology

2022 Volume 131, Page(s) 991–998

Abstract: Rhodobacter probiotics are considered as good alternatives to antibiotics for aquaculture. Yet the beneficial effects of Rhodobacter on Chinese mitten crab Eriocheir sinensis are still unclear, and more functions of Rhodobacter supplementation need to be ...

Abstract	Rhodobacter probiotics are considered as good alternatives to antibiotics for aquaculture. Yet the beneficial effects of Rhodobacter on Chinese mitten crab Eriocheir sinensis are still unclear, and more functions of Rhodobacter supplementation need to be clarified. In this study, a 60-day feeding trial was performed to investigate the protective effects of R. azotoformans against citrobacteriosis in E. sinensis by growth performance, serum immunity, hepatopancreatic antioxidant capability, intestinal flora, and resistance to Citrobacter freundii challenge assays. The results showed that R. azotoformans supplementation significantly and dose-dependently increased weight gain and specific growth rate as well as activities of serum immune and hepatopancreatic antioxidant enzymes, leading to notable improvement in the growth performance, serum immunity and hepatopancreatic antioxidant status of E. sinensis. Besides, R. azotoformans supplementation significantly enhanced intestinal microbial abundance and diversity in E. sinensis, and conferred significant protection of the crabs against C. freundii challenge with seven-day survival rates of 70.0%-100.0%. To the best of our knowledge, this is the first study to reveal the protective effects of R. azotoformans against citrobacteriosis in E. sinensis.
Language	English
Publishing date	2022-11-08
Publishing country	England
Document type	Journal Article
ZDB-ID	1067738-0
ISSN	1095-9947 ; 1050-4648
ISSN (online)	1095-9947
ISSN	1050-4648
DOI	10.1016/j.fsi.2022.11.012
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Article ; Online: Phenotypic and genomic characterization of pathogenic Providencia rettgeri from kuruma shrimp Marsupenaeus japonicus.

Cao, Haipeng / Gu, Ying / Diao, Jing / Xu, La / Xu, Tianyue / Jin, Tongtong / Gai, Chunlei

Transboundary and emerging diseases

2022 Volume 69, Issue 5, Page(s) e2967–e2977

Abstract	Providencia rettgeri has been recognized as a zoonotic pathogen of humans and aquaculture animals and has become a global public health concern. However, scarce information is available on the characterization of pathogenic P. rettgeri from kuruma shrimp Marsupenaeus japonicus. In the present study, a P. rettgeri isolate (KM4) was confirmed as a causative agent of red leg disease in cultured M. japonicus, which showed a median lethal dose (LD
MeSH term(s)	Aminoglycosides ; Animals ; Genomics ; Humans ; Penaeidae ; Providencia ; Sulfonamides ; Tetracyclines
Chemical Substances	Aminoglycosides ; Sulfonamides ; Tetracyclines
Language	English
Publishing date	2022-07-15
Publishing country	Germany
Document type	Journal Article
ZDB-ID	2414822-2
ISSN	1865-1682 ; 1865-1674
ISSN (online)	1865-1682
ISSN	1865-1674
DOI	10.1111/tbed.14647
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Article ; Online: Protective effects of Bacillus licheniformis against Citrobacter freundii infection in Chinese mitten crab Eriocheir sinensis.

Cao, Haipeng / Huang, Xiaodong / Gu, Ying / Zheng, Xurui / Xu, La / Gai, Chunlei

Journal of invertebrate pathology

2022 Volume 193, Page(s) 107805

Abstract	Citrobacter freundii is an important bacterial pathogen that causes serious diseases in Chinese mitten crab Eriocheir sinensis. However, scarce information is available on the use of Bacillus licheniformis to protect E. sinensis from C. freundii infection by improving the immunity, antioxidant ability and intestinal flora. In the present study, a 60-day feeding trial was conducted to examine the potential effects of dietary supplementation with antagonistic B. licheniformis on the non-specific immunity, antioxidant capability, intestinal flora and resistance of E. sinensis to C. freundii infection. The results indicated that dietary supplementation of B. licheniformis could boost non-specific immunity and antioxidant capability of E. sinensis in a significant dose-dependent manner respectively by increasing serum lysozyme, superoxide dismutase, alkaline phosphatase, and catalase activities and hepatopancreatic superoxide dismutase, catalase, acid phosphatase activities. In addition, crabs fed diets with B. licheniformis displayed increased composition and diversity of the intestinal flora, and exhibited significant defense against C. freundii infection with the relative percentage survivals ranging from 61.9% to 100.0% for seven days. To our knowledge, this is the first report of antagonistic B. licheniformis as a supplement in Chinese mitten crab feed to effectively resist C. freundii infection by improving the non-specific immunity, antioxidant status and intestinal flora.
MeSH term(s)	Animal Feed/analysis ; Animals ; Antioxidants/pharmacology ; Bacillus licheniformis ; Brachyura ; Catalase/pharmacology ; China ; Citrobacter freundii ; Immunity, Innate ; Superoxide Dismutase
Chemical Substances	Antioxidants ; Catalase (EC 1.11.1.6) ; Superoxide Dismutase (EC 1.15.1.1)
Language	English
Publishing date	2022-07-31
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	390885-9
ISSN	1096-0805 ; 0022-2011
ISSN (online)	1096-0805
ISSN	0022-2011
DOI	10.1016/j.jip.2022.107805
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Article: GbFLSa

Guo, Jing / Wu, Yaqiong / Wang, Tongli / Xin, Yue / Wang, Guibin / Zhou, Qi / Xu, Li-An

Frontiers in plant science

2023 Volume 14, Page(s) 1093656

Abstract: Flavonoids are important secondary metabolites with extensive pharmacological functions. ...

Abstract	Flavonoids are important secondary metabolites with extensive pharmacological functions.
Language	English
Publishing date	2023-02-15
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2613694-6
ISSN	1664-462X
ISSN	1664-462X
DOI	10.3389/fpls.2023.1093656
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