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280-m.y.-old fossil starch reveals early plant-animal mutualism
Liu, Feng1,2; Bomfleur, Benjamin3; Peng, Huiping1,4; Li, Quan5; Kerp, Hans3; Zhu, Huaicheng1,2
2018-05-01
Source PublicationGEOLOGY
ISSN0091-7613
Volume46Issue:5Pages:423-426
Corresponding AuthorLiu, Feng(liufeng@nigpas.ac.cn)
AbstractStarch is a major component in the human diet, and the acquisition of starch-rich food sources is considered a pivotal step in the biological and cultural evolution of humankind. However, the potential role of starch as an energy vector in paleo-ecosystems has never been addressed, obviously due to the lack of tangible records of preQuaternary starch grains. Here we describe similar to 280-m. y.-old lycopsid megaspores from Permian forest-swamp deposits in north China that bear caps of granular material. Size, shape, and surface structures as well as chemical and optical properties of these grains show that these caps are masses of compound storage starch. This is by far the oldest unequivocal record of fossil starch known to date. Deposition outside the actual megaspore container makes it unlikely that these starches were used for embryo nutrition; moreover, ultrathin sections of the megaspores indicate that they may have been produced after the megaspores were fertilized. By analogy to the elaiosomes on seeds of zoochorous plants today, we suggest that these starch caps were used to attract and reward animals, possibly land arthropods or snails, for megaspore dispersal. This study offers a rare glimpse into early stages of plant-animal co-evolution in Permian swamp-forest ecosystems.
DOI10.1130/G39929.1
WOS KeywordORDOS BASIN ; NORTH CHINA ; GRAINS ; ARTHROPODS ; EURAMERICA ; RESIDUES ; ECOLOGY ; COAL
Indexed BySCI
Language英语
Funding ProjectYouth Innovation Promotion Association of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (B) of the CAS[XDB03010103] ; National Natural Science Foundation of China[41530103] ; National Natural Science Foundation of China[41530101] ; National Natural Science Foundation of China[41372011] ; Alexander von Humboldt Foundation ; Emmy Noether Programme of the German Research Foundation (DFG)[BO3131/1-1]
Funding OrganizationYouth Innovation Promotion Association of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (B) of the CAS ; National Natural Science Foundation of China ; Alexander von Humboldt Foundation ; Emmy Noether Programme of the German Research Foundation (DFG)
WOS Research AreaGeology
WOS SubjectGeology
WOS IDWOS:000431359800013
PublisherGEOLOGICAL SOC AMER, INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/55004
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLiu, Feng
Affiliation1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Jiangsu, Peoples R China
2.Chinese Acad Sci, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
3.Univ Munster, Palaeobot Res Grp, D-48149 Munster, Germany
4.Univ Sci & Technol China, Hefei 230000, Anhui, Peoples R China
5.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 10000, Peoples R China
Recommended Citation
GB/T 7714
Liu, Feng,Bomfleur, Benjamin,Peng, Huiping,et al. 280-m.y.-old fossil starch reveals early plant-animal mutualism[J]. GEOLOGY,2018,46(5):423-426.
APA Liu, Feng,Bomfleur, Benjamin,Peng, Huiping,Li, Quan,Kerp, Hans,&Zhu, Huaicheng.(2018).280-m.y.-old fossil starch reveals early plant-animal mutualism.GEOLOGY,46(5),423-426.
MLA Liu, Feng,et al."280-m.y.-old fossil starch reveals early plant-animal mutualism".GEOLOGY 46.5(2018):423-426.
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