Effect of amino acids in root exudates from Eichhornia crassipes on degradation of phenol by its rhizospheric Enterobacter sp. F2 Effect of root exudates from Eichhornia crassipes on phenol-degrading Enterobacter sp. nov Chemotaxis of amino acids in root exudates from Eichhornia crassipes to its rhizospheric Enterobacter sp. F2