Bacterial Communities in a Buried Ancient Paddy Soil from the Neolithic Age
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Cited by (7)
Changes in archaeal ether lipid composition in response to agriculture alternation in ancient and modern paddy soils
2019, Organic GeochemistryCitation Excerpt :In this study, the highest abundance of archaeol and GDGT-0 were observed in deeper parts of the profiles (P01B and P04C), indicating that those lipids are likely fossil records rather than the contemporary production of extant archaea. On the other hand, studies have revealed that current methane formation from microbial activities are quite low in ancient buried paddy soils (Shen et al., 2006, 2010), which implies that epigenetic archaea in the ancient paddy soils may be inactive and have negligible influence on the archaeal lipid pool. Furthermore, these variations of archaeal lipid abundances are concordant with the PLFA results and bacterial 16S rRNA pyrosequencing data in these two profiles, in which samples of the current (long-term) cultivated paddy soils have a higher PLFA concentration and bacterial diversity than ancient buried paddy soils (Zhu et al., 2016a), indicating that extant bacteria, as well as archaea, may not be active in the buried ancient paddy soils.
The influence of soil properties on the size and structure of bacterial and fungal communities along a paddy soil chronosequence
2016, European Journal of Soil BiologyCitation Excerpt :However, micro-organisms (e.g., bacteria, fungi, and protozoa) may not be sensitive to short-term consequences of conversion (disturbance, loss of habitat) but predominantly be affected by long-term changes in soil properties (probably loss of organic matter) [40]. Ancient paddy soil tend to accumulate more soil organic matter in the plowed soil layer with increased soil bacterial populations, higher metabolic activity, and greater functional diversity and genetic diversity than present day paddy soils [47]. The development of paddy soils with time has also been reflected in the increased activity of one particular subgroup of methanotrophs [22].
A buried Neolithic paddy soil reveals loss of microbial functional diversity after modern rice cultivation
2016, Science BulletinCitation Excerpt :To further verify if the buried soil was paddy soil, phytolith from both buried and currently cultivated paddy soils were extracted and examined. The phytolith concentration of soil samples were all beyond 5000 grains g−1 (Table S3), providing evidence of rice cultivation in the sampling field [40], which is also supported by earlier archeological data on this Neolithic paddy soil [41]. The natural 15N abundance of buried ancient soils was markedly higher than that of the currently cultivated soils (Table S3), indicating the use of chemical N fertilizers in modern rice production, as chemical fertilizers have considerably lower 15N abundance [42].
Comparative Analysis of the Structure of Buried and Surface Soils by Analysis of Microbial DNA
2018, Microbiology (Russian Federation)Microbial dna analyses of soils buried under earthworks
2018, International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEMCharacteristics of the rhizosphere bacterial community across different cultivation years in saline–alkaline paddy soils of songnen plain of China
2018, Canadian Journal of Microbiology
Supported by the National Natural Science Foundation of China (No. 40335047) and the Sino-German Center for Research Promotion in Beijing (No. GZ 518).