Research Progress of Root Exudates Based on Bibliometric Analysis

doi:10.11924/j.issn.1000-6850.casb2023-0296

Abstract

Abstract:

In order to deeply understand the research progress and development trend of root exudates, this paper took the literature related to root exudates from 2002 to 2022 in the Web of Science core collection database as the data source and used the bibliometric method to visualize the annual number of papers, the cooperative relationship between high-yield countries, the distribution of journals, the co-citation of literature and high-frequency keywords with the help of software VOSviewer and CiteSpace. At the same time, the main research contents in different research stages were analyzed. The results showed that the annual number of publications in the field of root exudates research in the past 20 years was on the rise, and it had attracted more and more attention in the international scope. China and the United States had close cooperative relationships, and the highest number of collaborative publications. Chinese Academy of Sciences and Colorado State University had been committed to research in this field and had made outstanding contributions. Plant and Soil and Soil Biology & Biochemistry were the two journals with the largest number of papers published in this field. The core topics of root exudates research were ‘ecosystem’, ‘rhizosphere microbiome’, ‘organic acid’, ‘gene’, ‘stress’ and ‘plant fitness’. The main research contents of root exudates in different research stages were signal transduction-nutrient acquisition- allelopathy- phytoremediation- plant and microbial interaction. More detailed researches on revealing the interaction mechanism between plants and rhizosphere microorganisms at the molecular level, the regulatory function and molecular mechanism of root exudates and rhizosphere microorganisms in plant growth may become new research hotspots in the future.

Key words: root exudates, visual analysis, bibliometric analysis, VOSviewer, CiteSpace

WANG Yuhan, CHEN Lian, ZHANG Peizhen, LI Gaocong, WANG Zhenjiang, TANG Cuiming, LIN Sen, LUO Guoqing, ZHONG Jianwu, LI Zhiyi, WANG Yuan. Research Progress of Root Exudates Based on Bibliometric Analysis[J]. Chinese Agricultural Science Bulletin, 2024, 40(7): 144-154.

Figures/Tables 10

References 64

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机构英文名	机构中文名	所在国家	发文量	被引次数
Chinese Academy of Sciences	中国科学院	中国	243	7853
Nanjing Agricultural University	南京农业大学	中国	91	3856
Spanish National Research Council	西班牙高等科研理事会	西班牙	70	2063
Zhejiang University	浙江大学	中国	64	2784
University of Chinese Academy of Sciences	中国科学院大学	中国	58	1244
Chinese Academy of Agricultural Sciences	中国农业科学院	中国	57	1456
University of Western Australia	西澳大学	澳大利亚	55	4164
China Agricultural University	中国农业大学	中国	51	1934
Colorado State University	科罗拉多州立大学	美国	50	7261
University of Hohenheim	霍恩海姆大学	德国	41	2802

机构英文名	机构中文名	所在国家	发文量	被引次数
Chinese Academy of Sciences	中国科学院	中国	243	7853
Nanjing Agricultural University	南京农业大学	中国	91	3856
Spanish National Research Council	西班牙高等科研理事会	西班牙	70	2063
Zhejiang University	浙江大学	中国	64	2784
University of Chinese Academy of Sciences	中国科学院大学	中国	58	1244
Chinese Academy of Agricultural Sciences	中国农业科学院	中国	57	1456
University of Western Australia	西澳大学	澳大利亚	55	4164
China Agricultural University	中国农业大学	中国	51	1934
Colorado State University	科罗拉多州立大学	美国	50	7261
University of Hohenheim	霍恩海姆大学	德国	41	2802

植物名称	根系分泌物	生态系统类型	文献
油松、虎榛子	油松纯林、虎榛子纯林有机酸所占比例分别为63.82%和71.05%，酯类分别占8.38%和12.65%，酚酸类占27.80%和16.30%	森林	[21]
油菜、肥田萝卜	油菜的根系分泌物中有机酸主要成分为柠檬酸和苹果酸；肥田萝卜中主要为酒石酸、丁二酸和苹果酸	农田	[22]
无芒隐子草、银灰旋花	无芒隐子草根分泌物含棕榈酸、油酸和邻苯二甲酸3种有机酸；银灰旋花根分泌物含棕榈酸、油酸、邻苯二甲酸和琥珀酸4种有机酸	草原	[23]
风车草、芦苇	风车草和芦苇中均检出蔗糖、葡萄糖和草酸；丙二酸、苹果酸仅在风车草中检出，乙酸、琥珀酸则在芦苇中检出	湿地	[24]

植物名称	根系分泌物	生态系统类型	文献
油松、虎榛子	油松纯林、虎榛子纯林有机酸所占比例分别为63.82%和71.05%，酯类分别占8.38%和12.65%，酚酸类占27.80%和16.30%	森林	[21]
油菜、肥田萝卜	油菜的根系分泌物中有机酸主要成分为柠檬酸和苹果酸；肥田萝卜中主要为酒石酸、丁二酸和苹果酸	农田	[22]
无芒隐子草、银灰旋花	无芒隐子草根分泌物含棕榈酸、油酸和邻苯二甲酸3种有机酸；银灰旋花根分泌物含棕榈酸、油酸、邻苯二甲酸和琥珀酸4种有机酸	草原	[23]
风车草、芦苇	风车草和芦苇中均检出蔗糖、葡萄糖和草酸；丙二酸、苹果酸仅在风车草中检出，乙酸、琥珀酸则在芦苇中检出	湿地	[24]

聚类编号	被引频次	突现值	作者	年份	论文标题
0	75	21	Canarini A	2019	《Root exudation of primary metabolites: Mechanisms and their roles in plant responses to environmental stimuli》
1	41	10.31	Gargallo-Garriga A	2018	《Root exudate metabolomes change under drought and show limited capacity for recovery》
2	33	15.66	Berendsen R L	2012	《The rhizosphere microbiome and plant health》
3	44	21.24	Baetz U	2014	《Root exudates: The hidden part of plant defense》