De-Chao Zhang

Chinese Academy of Sciences

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Rosa Margesin

Universität Innsbruck

Franz Schinner

Universität Innsbruck

Hong‐Can Liu

Institute of Microbiology

Rugang Zhang

Hainan General Hospital

Yu‐Guang Zhou

Institute of Microbiology

Jinshui Zheng

Huazhong Agricultural University

Liangjun Wang

University of Minnesota

Gui-yu Cheng

Chinese Academy of Medical Sciences & Peking Union Medical College

Kelin Sun

Institute of Deep-Sea Science and Engineering

Yousheng Mao

Chinese Academy of Medical Sciences & Peking Union Medical College

Cooperative Institutions

Chinese Academy of Medical Sciences & Peking Union Medical College

Chinese Academy of Sciences

University of Chinese Academy of Sciences

Peking Union Medical College Hospital

Institute of Oceanology

Peking University

Shanghai Jiao Tong University

Huazhong Agricultural University

Central South University

National Clinical Research

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[Surgical treatment of bilateral thoracotomy in patients with lesions of left main bronchus invading carina].

PubMed (2010)

Juwei Mu Jian Li Gui-yu Cheng Kelin Sun De-Chao Zhang

To investigate the outcome for surgical treatment of bilateral thoracotomy in patients with lesions of left main bronchus invading carina by bilateral thoracotomy.The clinical data of 4 patients with lesions of left main bronchus invading carina undergoing bilateral thoracotomy were retrospectively reviewed.There were two male and two female patients with a median age of 37.5 (range: 27 - 55) years old. Four patients were all accessed by bilateral thoracotomy, and received carinal reconstruction. Of these 4 patients, three patients received left pneumonectomy and one patient received carinal resection without concomitant pulmonary resection. Pathological results showed that one patient had tuberculosis. And other three patients were of 1 squamous cell carcinoma and 2 adenoid cystic carcinomas. Three patients received mechanical ventilation for a period of 3 - 21 days. one patient died of anastomotic dehiscence at 5 days postoperatively.Bilateral thoracotomy is an alternative approach for relatively young patients with decent cardiopulmonary functions with lesions of left main bronchus invading carina. Operation type should be based on histopathological type and length of involved left main bronchus.

Thoracotomy

Left main bronchus

Main Bronchus

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Surgical Treatment of Primary Sarcoma of the Lung

The Practical Journal of Cancer (2003)

De-Chao Zhang

Primary (astronomy)

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[99mTc-Pingyangmycin imaging in the diagnosis of primary lung cancer].

PubMed (2002)

Liangze Zhang Rugang Zhang De-Chao Zhang Jiaxiu Li

To evaluate the clinical value of (99m)Tc-Pingyangmycin (PYM) imaging for the diagnosis of primary lung cancer.Radionuclide (99m)Tc-Pingyangmycin (PYM) imaging was performed in 56 patients with pulmonary lesions.The uptake ratio and retention index (RI) were different in malignant and benign lesions. With the delayed ratio regarded as the threshold for lung cancer, the overall accuracy, sensitivity and specificity of (99m)Tc-PYM in the diagnosis of lung cancer were 82.1%, 82.7% and 80%, respectively. If RI was regarded as the threshold, the overall accuracy, sensitivity and specificity were 94.6%, 93% and 100%, respectively. There was no significant difference among different histological types of the lung carcinoma.(99m)Tc-PYM, as a good imaging agent, is useful in differentiating malignant lung lesions from benign ones.

Pingyangmycin

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Solimicrobium silvestre gen. nov., sp. nov., isolated from alpine forest soil

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY (2018)

Rosa Margesin Luciana Albuquerque De-Chao Zhang Hugo J.C. Froufe Rita Severino

A Gram-stain-negative, rod-shaped, motile, catalase and cytochrome c oxidase-positive bacterial strain, designated S20-91T, was isolated from alpine forest soil. Growth occurred within a temperature range of 0-25 °C. Yeast extract was required for growth. Phylogenetic analysis based on 16S rRNA gene sequencing showed that strain S20-91T was related to the genus Herminiimonas and had the highest 16S rRNA gene sequence similarity to Herminiimonas arsenicoxydans ULPAs1T (96.5 %). The strain contained ubiquinone 8 as the predominant respiratory quinone and phosphatidylethanolamine, phosphatidylglycerol and diphosphatidylglycerol as the major polar lipids. The major cellular fatty acids (>10 %) were C16 : 1ω7c (55.3 %) and C16 : 0 (25.6 %). The genomic DNA G+C content was 47.6 mol%. Combined data of genomic, phylogenetic, phenotypic and chemotaxonomic analyses demonstrated that strain S20-91T represents a novel genus and species, for which the name Solimicrobium silvestre gen. nov., sp. nov. is proposed. The type strain is S20-91T (=DSM 104733T=LMG 30010).

Strain (injury)

10.1099/ijsem.0.002861

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Polaromonas glacialis sp. nov. and Polaromonas cryoconiti sp. nov., isolated from alpine glacier cryoconite

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY (2011)

Rosa Margesin Cathrin Spröer De-Chao Zhang Hans‐Jürgen Busse

The taxonomic positions of two Gram-staining-negative, psychrophilic bacteria, which were isolated from alpine glacier cryoconite and designated strains Cr4-12(T) and Cr4-35(T), were investigated using a polyphasic approach. Both novel strains contained ubiquinone Q-8 as the sole quinone, summed feature 3 (C(16:1)ω7c and/or C(16:1)ω6c) and C(16:0) as the dominant cellular fatty acids, putrescine and 2-hydroxyputrescine as the major polyamines, and diphosphatidylglycerol, phosphatidylglycerol and phosphatidylethanolamine as the major polar lipids. The genomic DNA G+C contents of strains Cr4-12(T) and Cr4-35(T) were 61.3 mol% and 60.7 mol%, respectively. Phylogenetic analysis based on 16S rRNA gene sequences indicated that the two strains belonged to the genus Polaromonas. Although the 16S rRNA gene sequences of strains Cr4-12(T) and Cr4-35(T) were very similar (98.7% sequence similarity), hybridizations indicated a DNA-DNA relatedness value of only 26.9% between the two novel strains. In pairwise comparisons with the type strains of recognized Polaromonas species, strains Cr4-12(T) and Cr4-35(T) showed 16S rRNA gene sequence similarities of 96.4-98.5% and 96.5-98.4%, respectively. Based on the phenotypic and phylogenetic evidence and DNA-DNA relatedness data, strains Cr4-12(T) and Cr4-35(T) represent two novel species within the genus Polaromonas, for which the names Polaromonas glacialis sp. nov. and Polaromonas cryoconiti sp. nov., respectively, are proposed. The type strain of Polaromonas glacialis sp. nov. is Cr4-12(T) (=DSM 24062(T) =LMG 26049(T) =KACC 15089(T)) and that of Polaromonas cryoconiti sp. nov. is Cr4-35(T) (=DSM 24248(T) =LMG 26050(T) =KACC 15090(T)).

genomic DNA

10.1099/ijs.0.037556-0

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Pelagihabitans pacificus gen. nov., sp. nov., a member of the family Flavobacteriaceae isolated from a deep-sea seamount

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY (2020)

Qian Wang Feng Liu De-Chao Zhang

The Gram-stain-negative, orange-pigmented, non-spore-forming, non-motile, strictly aerobic, rod-shaped bacterial strain, designated TP-CH-4T, was isolated from a seamount near the Yap Trench in the tropical western Pacific. The optimal growth conditions were determined to be at pH 7-8, 25-30 °C and in the presence of 2 % (w/v) NaCl. The major respiratory quinone was MK-6. The polar lipid profile contained phosphatidylethanolamine, two unidentified aminolipids, two unidentified phospholipids and three unidentified polar lipids. The predominant cellular fatty acids were iso-C15 : 0 and summed feature 1 (composed of C13 : 03-OH and/or iso-C15 : 1H). Phylogenetic analysis of 16S rRNA gene sequences revealed that strain TP-CH-4T was a member of the family Flavobacteriaceae and formed a distinct lineage. Strain TP-CH-4T displayed highest sequence similarities to Pseudozobellia thermophila KMM 3531T (95.1 %) and Flagellimonas flava A11T (93.9 %). Genome sequencing revealed the strain TP-CH-4T has a genome size of 4.5 Mbp and a G+C content of 44.5 mol%. Collectively, based on phenotypic, chemotaxonomic, phylogenetic and genomic evidence, strain TP-CH-4T represents a novel species of a novel genus of the family Flavobacteriaceae, for which the name Pelagihabitans pacificus gen. nov., sp. nov. is proposed. The type strain of Pelagihabitans pacificus is TP-CH-4T (=CGMCC 1.17120T=KCTC 72434T).

Seamount

10.1099/ijsem.0.004315

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Comparative Genomics of Exiguobacterium Reveals What Makes a Cosmopolitan Bacterium

mSystems (2021)

De-Chao Zhang Zhaolu Zhu Yangjie Li Xudong Li Ziyu Guan

The wide distribution characteristics of Exiguobacterium make it a valuable model for studying the adaptive strategies of bacteria that can survive in multiple habitats. In this study, we reveal that members of the Exiguobacterium genus have a cosmopolitan distribution and share an extensive adaptability that enables them to survive in various environments.

Comparative Genomics

10.1128/msystems.00383-21

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[Diagnosis and treatment of metachronous multiple primary lung cancer].

PubMed (2002)

Jun Zhao De-Chao Zhang Liangjun Wang Rugang Zhang

There is much controversy on the diagnosis and treatment of metachronous multiple primary lung cancer (MMPLC). Until now, there is no absolutely accurate diagnostic criteria. This study was designed to discuss its diagnosis, and to compare the survival rates after different therapeutic modalities.The clinical features of 44 patients with MMPLC admitted to our hospital since 1961 were analyzed retrospectively.There were 44 patients in this series, which accounted for 0.39% of all patients with lung cancer treated in our hospital. As to the initial cancer and the repeated cancer, they shared the same pathological type in 23 patients, and located on the same side of the lung in 12 patients. Twenty-four patients received operations, including 12 curative patients. The postoperative morbidity and mortality were 33.3% and 8.3%, respectively. The other 20 patients received radiotherapy or/and chemotherapy. The 5-year survival rates of operative group, curative operative group, and non-operative group were 20.8%, 33.4%, and 10.0%, respectively.Comprehensive consideration of clinical features may lead to a rational diagnosis and treatment strategy, 5-year survival rate of the operative group, especially the curative group, is significantly higher than that of the non-operative group. The repeated operation, especially the second operation on the same side of the lung, should be performed at the qualified institutes and by the experienced doctors.

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Results of surgical resection of patients with primary lung cancer: a retrospective analysis of 1,905 cases

The Annals of Thoracic Surgery (2001)

Dekang Fang Dawei Zhang Guojun Huang Rugang Zhang Liangjun Wang

Resection margin

Log-rank test

Surgical margin

10.1016/s0003-4975(01)02932-0

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Citations (58)

Draft Genome Sequence of Thermophilic Exiguobacterium sp. Strain JLM-2, Isolated from Deep-Sea Ferromanganese Nodules

Genome Announcements (2015)

De-Chao Zhang Yanxia Liu Ying‐Yi Huo Xue‐Wei Xu Xinzheng Li

Exiguobacterium sp. strain JLM-2 is a thermophilic bacterium isolated from deep-sea ferromanganese (FeMn) nodules. The estimated genome of this strain is 2.9 Mb, with a G+C content of 48.32%. It has a novel circular 15,570-bp plasmid. The draft genome sequence may provide useful information about Mn-microbe interactions and the genetic basis for tolerance to environment stresses.

Strain (injury)

Ferromanganese

10.1128/genomea.00794-15

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Citations (7)