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Indole-3-Acetic Acid Controls Cambial Growth in Scots Pine by
Positional Signaling1
Claes Uggla,
Ewa J Mellerowicz, and
Björn Sundberg*
Department of Forest Genetics and Plant Physiology, Swedish
University of Agricultural Sciences, 901 83 Umeå, Sweden
The vascular cambium produces
secondary xylem and phloem in plants and is responsible for wood
formation in forest trees. In this study we used a microscale
mass-spectrometry technique coupled with cryosectioning to visualize
the radial concentration gradient of endogenous indole-3-acetic acid
(IAA) across the cambial meristem and the differentiating derivatives
in Scots pine (Pinus sylvestris L.) trees that had
different rates of cambial growth. This approach allowed us to
investigate the relationship between growth rate and the concentration
of endogenous IAA in the dividing cells. We also tested the hypothesis
that IAA is a positional signal in xylem development (C. Uggla, T. Moritz, G. Sandberg, B. Sundberg [1996] Proc Natl Acad Sci USA 93:
9282-9286). This idea postulates that the width of the radial
concentration gradient of IAA regulates the radial number of dividing
cells in the cambial meristem, which is an important component for
determining cambial growth rate. The relationship between IAA
concentration in the dividing cells and growth rate was poor, although
the highest IAA concentration was observed in the fastest-growing
cambia. The radial width of the IAA concentration gradient showed a
strong correlation with cambial growth rate. The results indicate that IAA gives positional information in plants.
1
This work was supported by grants from the
Swedish Council for Forestry and Agricultural Research, the Swedish
Natural Sciences Research Council, the Kempe Foundation, and the
Foundation for Strategic Research.
*
Corresponding author; e-mail Bjorn.Sundberg{at}genfys.slu.se; fax
46-90-786-59-01.
Plant Physiol. (1998) 117: 113-121
Copyright Clearance Center: 0032-0889/98/117/0113/09
© 1998 American Society of Plant Physiologists
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|
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|
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|
 |
|

|
 |

|
 |
 
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|
 |
|
|
|