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@ARTICLE{Nestler:825873,
      author       = {Nestler, Josefine and Wissuwa, Matthias},
      title        = {{S}uperior {R}oot {H}air {F}ormation {C}onfers {R}oot
                      {E}fficiency in {S}ome, {B}ut {N}ot {A}ll, {R}ice
                      {G}enotypes upon {P} {D}eficiency},
      journal      = {Frontiers in Functional Plant Ecology},
      volume       = {7},
      issn         = {1664-462X},
      address      = {Lausanne},
      publisher    = {Frontiers Media88991},
      reportid     = {FZJ-2017-00157},
      pages        = {1935},
      year         = {2016},
      abstract     = {Root hairs are a low-cost way to extend root surface area
                      (RSA), water and nutrient acquisition. This study
                      investigated to what extend variation exists for root hair
                      formation in rice in dependence of genotype, phosphorus (P)
                      supply, growth medium, and root type. In general, genotypic
                      variation was found for three root hair properties: root
                      hair length, density, and longevity. In low P nutrient
                      solution more than twofold genotypic difference was detected
                      for root hair length while only onefold variation was found
                      in low P soil. These differences were mostly due to the
                      ability of some genotypes to increase root hair length in
                      response to P deficiency. In addition, we were able to show
                      that a higher proportion of root hairs remain viable even in
                      mature, field-grown plants under low P conditions. All
                      investigated root hair parameters exhibited high
                      correlations across root types which were always higher in
                      the low P conditions compared to the high P controls.
                      Therefore we hypothesize that a low P response leads to a
                      systemic signal in the entire root system. The genotype
                      DJ123 consistently had the longest root hairs under low P
                      conditions and we estimated that, across the field-grown
                      root system, root hairs increased the total RSA by $31\%$ in
                      this genotype. This would explain why DJ123 is considered to
                      be very root efficient in P uptake and suggests that DJ123
                      should be utilized as a donor in breeding for enhanced P
                      uptake. Surprisingly, another root and P efficient genotype
                      seemed not to rely on root hair growth upon P deficiency and
                      therefore must contain different methods of low P
                      adaptation. Genotypic ranking of root hair properties did
                      change substantially with growth condition highlighting the
                      need to phenotype plants in soil-based conditions or at
                      least to validate results obtained in solution-based growth
                      conditions.},
      cin          = {IBG-2},
      ddc          = {570},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {582 - Plant Science (POF3-582)},
      pid          = {G:(DE-HGF)POF3-582},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000390171900001},
      pubmed       = {pmid:28066487},
      doi          = {10.3389/fpls.2016.01935},
      url          = {https://juser.fz-juelich.de/record/825873},
}