Plant reproduction: GABA gradient, guidance and growth.
How a pollen tube manages to navigate through the female tissues during plant reproduction has been a mystery. A new analysis of an Arabidopsis mutant has provided the strongest evidence yet that a GABA gradient may be a critical signal for correct targeting of the pollen tube.
Department of Biology and the Huck Institute for Life Sciences, The Pennsylvania State University, University Park 16802, USA. hxm16@psu.edu
Hong
H
Ma
D017360:Arabidopsis / Q000378:metabolism / Q000502:physiology*; D029681:Arabidopsis Proteins; D035264:Flowers / Q000378:metabolism*; D012098:Reproduction / Q000502:physiology; D000637:Transaminases; D014157:Transcription Factors / Q000235:genetics / Q000378:metabolism; D005680:gamma-Aminobutyric Acid / Q000378:metabolism*
D029681:Arabidopsis Proteins; D014157:Transcription Factors; D005680:gamma-Aminobutyric Acid; D000637:Transaminases; C489779:POP2 protein, Arabidopsis