. 2020 Jan 22;82(2):17. doi: 10.1007/s11538-019-00685-y

Table 1.

Listing of variable in Eqs. (1)–(8)

Variable	Meaning
$m_{i}$	Cellular mRNA concentration
$r_{i}$	Cellular Aux/IAA concentration
$s_{i}$	Cellular TIR1 concentration
$c_{i}$	Cellular auxin-TIR1 concentration
$v_{i}$	Cellular Aux/IAA-auxin-TIR1 concentration
$e_{i}$	Cellular PIN-auxin-TIR1 concentration
$f_{i}$	Cellular ARF concentration
$g_{i}$	Cellular ARF-Aux/IAA concentration
$w_{i}$	Cellular ARF₂ concentration
$a_{i}$	Cellular auxin concentration
$p_{i}$	Cellular PIN concentration
$u_{i}$	Cellular AUX1 concentration
$A_{ij}$	Apoplastic auxin concentration
$P_{ij}$	Membrane-bound PIN concentration
$U_{ij}$	Membrane-bound AUX1 concentration