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The rate of change of a soil bacterial community after liming as a function of temperature

Pettersson, M and Bååth, Erland LU (2003) In Microbial Ecology 46(2). p.177-186
Abstract
The response of a bacterial community to liming of a forest humus soil (pH 4.9 increased to pH 7.5) was studied in the laboratory at three temperatures (5, 20, and 30degreesC). As a comparison an unlimed soil (pH 4.9) and a soil limed in the field 15 years ago (pH around 6) were also included. The bacterial community tolerance of pH was measured using TdR incorporation. The pH of the bacterial suspensions (bacteria directly extracted from soil) was altered to 3.6 and 8.3 using different buffers before measuring TdR incorporation. The logarithmic ratio between TdR incorporation at 8.3 and 3.6 was then used as an indicator of the community pH tolerance. The rate of changes in the community tolerance to pH after liming was fastest for the... (More)
The response of a bacterial community to liming of a forest humus soil (pH 4.9 increased to pH 7.5) was studied in the laboratory at three temperatures (5, 20, and 30degreesC). As a comparison an unlimed soil (pH 4.9) and a soil limed in the field 15 years ago (pH around 6) were also included. The bacterial community tolerance of pH was measured using TdR incorporation. The pH of the bacterial suspensions (bacteria directly extracted from soil) was altered to 3.6 and 8.3 using different buffers before measuring TdR incorporation. The logarithmic ratio between TdR incorporation at 8.3 and 3.6 was then used as an indicator of the community pH tolerance. The rate of changes in the community tolerance to pH after liming was fastest for the soil incubated at 30degreesC, but only minor differences in rate of change could be seen between samples incubated at 5 and 20degreesC. Changes in phospholipid fatty acid (PLFA) pattern after increasing the pH were most rapid for the bacterial community in the soil incubated at 30degreesC followed by the soil incubated at 20degreesC, whereas no changes could be seen in the PLFA pattern of the soil incubated at 5degreesC, even after 82 days' incubation. Thus, the changes in the PLFA pattern were considerably slower than the changes in bacterial community tolerance to pH measured using TdR incorporation. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Microbial Ecology
volume
46
issue
2
pages
177 - 186
publisher
Springer
external identifiers
  • wos:000185953200003
  • pmid:14708743
  • scopus:0037651838
ISSN
1432-184X
DOI
10.1007/s00248-003-0001-7
language
English
LU publication?
yes
id
6edd0029-7243-42bb-869a-afe5c48a9a2a (old id 135702)
date added to LUP
2007-06-29 14:18:39
date last changed
2018-01-07 09:38:21
@article{6edd0029-7243-42bb-869a-afe5c48a9a2a,
  abstract     = {The response of a bacterial community to liming of a forest humus soil (pH 4.9 increased to pH 7.5) was studied in the laboratory at three temperatures (5, 20, and 30degreesC). As a comparison an unlimed soil (pH 4.9) and a soil limed in the field 15 years ago (pH around 6) were also included. The bacterial community tolerance of pH was measured using TdR incorporation. The pH of the bacterial suspensions (bacteria directly extracted from soil) was altered to 3.6 and 8.3 using different buffers before measuring TdR incorporation. The logarithmic ratio between TdR incorporation at 8.3 and 3.6 was then used as an indicator of the community pH tolerance. The rate of changes in the community tolerance to pH after liming was fastest for the soil incubated at 30degreesC, but only minor differences in rate of change could be seen between samples incubated at 5 and 20degreesC. Changes in phospholipid fatty acid (PLFA) pattern after increasing the pH were most rapid for the bacterial community in the soil incubated at 30degreesC followed by the soil incubated at 20degreesC, whereas no changes could be seen in the PLFA pattern of the soil incubated at 5degreesC, even after 82 days' incubation. Thus, the changes in the PLFA pattern were considerably slower than the changes in bacterial community tolerance to pH measured using TdR incorporation.},
  author       = {Pettersson, M and Bååth, Erland},
  issn         = {1432-184X},
  language     = {eng},
  number       = {2},
  pages        = {177--186},
  publisher    = {Springer},
  series       = {Microbial Ecology},
  title        = {The rate of change of a soil bacterial community after liming as a function of temperature},
  url          = {http://dx.doi.org/10.1007/s00248-003-0001-7},
  volume       = {46},
  year         = {2003},
}