References
Aida
M
,
Ishida
T
and
Tasaka
M
(1999) Shoot apical meristem and cotyledon formation during Arabidopsis embryogenesis: interaction among the CUP‐SHAPED COTYLEDON and SHOOT MERISTEMLESS genes. Development
126: 1563–1570.
Aida
M
,
Vernoux
T
,
Furutani
M
,
Traas
J
and
Tasaka
M
(2002) Roles of PIN‐FORMED1 and MONOPTEROS in pattern formation of the apical region of the Arabidopsis embryo. Development
129: 3965–3974.
Allen
E
,
Xie
Z
,
Gustafson
AM
and
Carrington
JC
(2005) microRNA‐directed phasing during trans‐acting siRNA biogenesis in plants. Cell
121: 207–221.
Barkoulas
M
,
Hay
A
,
Kougioumoutzi
E
and
Tsiantis
M
(2008) A developmental framework for dissected leaf formation in the Arabidopsis relative Cardamine hirsuta. Nature Genetics
40: 1136–1141.
Barton
MK
and
Poethig
RS
(1993) Formation of the shoot apical meristem in Arabidopsis thaliana: an analysis of development in the wild type and in the shoot meristemless mutant. Development
119: 823–831.
Beerling
DJ
and
Fleming
AJ
(2007) Zimmermann's telome theory of megaphyll leaf evolution: a molecular and cellular critique. Current Opinion in Plant Biology
10: 4–12.
Benková
E
,
Michniewicz
M
,
Sauer
M
et al. (2003) Local, efflux‐dependent auxin gradients as a common module for plant organ formation. Cell
115: 591–602.
Blein
T
,
Pulido
A
,
Vialette‐Guiraud
A
et al. (2008) A conserved molecular framework for compound leaf development. Science
322: 1835–1839.
Byrne
ME
,
Barley
R
,
Curtis
M
et al. (2000) Asymmetric leaves1 mediates leaf patterning and stem cell function in Arabidopsis
. Nature
408: 967–971.
Chapman
EJ
and
Carrington
JC
(2007) Specialization and evolution of endogenous small RNA pathways. Nature Reviews Genetics
8: 884–896.
Chitwood
DH
,
Headland
LR
,
Ranjan
A
et al. (2012) Leaf asymmetry as a developmental constraint imposed by auxin‐dependent phyllotactic patterning. Plant Cell
24: 2318–2327.
Chitwood
DH
,
Nogueira
FT
,
Howell
MD
et al. (2009) Pattern formation via small RNA mobility. Genes and Development
23: 549–554.
Emery
JF
,
Floyd
SK
,
Alvarez
J
et al. (2003) Radial patterning of Arabidopsis shoots by Class III HD‐ZIP and KANADI genes. Current Biology
13: 1768–1774.
Eshed
Y
,
Izhaki
A
,
Baum
SF
,
Floyd
SK
and
Bowman
JL
(2004) Asymmetric leaf development and blade expansion in Arabidopsis are mediated by KANADI and YABBY activities. Development
131: 2997–3006.
Floyd
SK
and
Bowman
JL
(2010) Gene expression patterns in seed plant shoot meristems and leaves: homoplasy or homology? Journal of Plant Research
123: 43–55.
Friml
J
,
Vieten
A
,
Sauer
M
et al. (2003) Efflux‐dependent auxin gradients establish the apical–basal axis of Arabidopsis
. Nature
426: 147–153.
Guilfoyle
TJ
and
Hagen
G
(2007) Auxin response factors. Current Opinion in Plant Biology
10: 453–460.
Guo
M
,
Thomas
J
,
Collins
G
and
Timmermans
MC
(2008) Direct repression of KNOX loci by the ASYMMETRIC LEAVES1 complex of Arabidopsis
. Plant Cell
20: 48–58.
Hagemann
W
and
Gleissberg
S
(1996) Organogenetic capacity of leaves: the significance of marginal blastozones in angiosperms. Plant Systematics and Evolution
199: 121–152.
Hay
A
and
Tsiantis
M
(2006) The genetic basis for differences in leaf form between Arabidopsis thaliana and its wild relative Cardamine hirsuta
. Nature Genetics
38: 942–947.
Heisler
MG
,
Ohno
C
,
Das
P
et al. (2005) Patterns of auxin transport and gene expression during primordium development revealed by live imaging of the Arabidopsis inflorescence meristem. Current Biology
15: 1899–1911.
Itoh
J
,
Hibara
K
,
Sato
Y
and
Nagato
Y
(2008) Developmental role and auxin responsiveness of Class III homeodomain leucine zipper gene family members in rice. Plant Physiology
147: 1960–1975.
Jackson
D
,
Veit
B
and
Hake
S
(1994) Expression of maize KNOTTED1 related homeobox genes in the shoot apical meristem predicts patterns of morphogenesis in the vegetative shoot. Development
102: 405–413.
Juarez
M
,
Twigg
R
and
Timmermans
M
(2004) Specification of adaxial fate during maize leaf development. Development
131: 4533–4544.
Kerstetter
RA
,
Bollman
K
,
Taylor
RA
,
Bomblies
K
and
Poethig
S
(2001) KANADI regulates organ polarity in Arabidopsis
. Nature
411: 706–709.
Kim
M
,
McCormick
S
,
Timmermans
M
and
Sinha
N
(2003) The expression domain of PHANTASTICA determines leaflet placement in compound leaves. Nature
424: 438–443.
Koenig
D
,
Bayer
E
,
Kang
J
,
Kuhlemeier
C
and
Sinha
N
(2009) Auxin patterns Solanum lycopersicum leaf morphogenesis. Development
136: 2997–3006.
Kumaran
MK
,
Bowman
JL
and
Sundaresan
V
(2002) YABBY polarity genes mediate the repression of KNOX homeobox genes in Arabidopsis
. Plant Cell Online
14: 2761–2770.
Lodha
M
,
Marco
CF
and
Timmermans
MC
(2013) The ASYMMETRIC LEAVES complex maintains repression of KNOX homeobox genes via direct recruitment of Polycomb‐repressive complex2. Genes and Development
27: 596–601.
Long
JA
,
Moan
EI
,
Medford
JI
and
Long
J
(1996) A member of the KNOTTED class of homeodomain proteins encoded by the STM gene of Arabidopsis
. Nature
379: 66–69.
Mallory
AC
,
Reinhart
BJ
,
Jones‐Rhoades
MW
et al. (2004) MicroRNA control of PHABULOSA in leaf development: importance of pairing to the microRNA 5′ region. EMBO Journal
23: 3356–3364.
McConnell
JR
,
Emery
J
,
Eshed
Y
et al. (2001) Role of PHABULOSA and PHAVOLUTA in determining radial patterning in shoots. Nature
411: 709–713.
Moon
J
and
Hake
S
(2011) How a leaf gets its shape. Current Opinion in Plant Biology
14: 24–30.
Nicotra
AB
,
Leigh
A
,
Boyce
CK
et al. (2011) The evolution and functional significance of leaf shape in the angiosperms. Functional Plant Biology
38: 535.
Nogueira
FT
,
Chitwood
DH
,
Madi
S
et al. (2009) Regulation of small RNA accumulation in the maize shoot apex. PLoS Genetics
5: e1000320.
Nogueira
FT
,
Madi
S
,
Chitwood
DH
,
Juarez
MT
and
Timmermans
MC
(2007) Two small regulatory RNAs establish opposing fates of a developmental axis. Genes and Development
21: 750–755.
Ori
N
,
Eshed
Y
,
Chuck
G
,
Bowman
J
and
Hake
S
(2000) Mechanisms that control knox gene expression in the Arabidopsis shoot. Development
127: 5523–5532.
Pekker
I
,
Alvarez
JP
and
Eshed
Y
(2005) Auxin response factors mediate Arabidopsis organ asymmetry via modulation of KANADI activity. Plant Cell
17: 2899–2910.
Reinhardt
D
,
Frenz
M
,
Mandel
T
and
Kuhlemeier
C
(2005) Microsurgical and laser ablation analysis of leaf positioning and dorsoventral patterning in tomato. Development
132: 15–26.
Reinhardt
D
,
Mandel
T
and
Kuhlemeier
C
(2000) Auxin regulates the initiation and radial position of plant lateral organs. Plant Cell Online
12: 507–518.
Reinhardt
D
,
Pesce
E‐R
,
Stieger
P
et al. (2003) Regulation of phyllotaxis by polar auxin transport. Nature
426: 255–260.
Scarpella
E
,
Marcos
D
,
Friml
J
and
Bereth
T
(2006) Control of leaf vascular patterning by polar auxin transport. Genes and Development
20: 1015–1027.
Steeves
TA
and
Sussex
IM
(1989) Patterns in Plant Development. Cambridge: Cambridge University Press.
Sussex
IM
(1951) Experiments on the cause of dorsiventrality in leaves. Nature
167: 651–652.
Timmermans
MCP
(1999) ROUGH SHEATH2: a Myb protein that represses knox homeobox genes in maize lateral organ primordia. Science
284: 151–153.
Tsiantis
M
,
Brown
MIN
,
Skibinski
G
and
Langdale
J
(1999) Disruption of auxin transport is associated with aberrant leaf development in maize. Plant Physiology
121: 1163–1168.
Waites
R
and
Hudson
A
(1995) phantastica: a gene required for dorsoventrality of leaves in Antirrhinum majus
. Development
121: 2143–2154.
Williams
L
,
Grigg
SP
,
Xie
M
,
Christensen
S
and
Fletcher
JC
(2005) Regulation of Arabidopsis shoot apical meristem and lateral organ formation by microRNA miR166g and its AtHD‐ZIP target genes. Development
132: 3657–3668.
Xu
L
,
Xu
Y
,
Dong
A
et al. (2003) Novel as1 and as2 defects in leaf adaxial‐abaxial polarity reveal the requirement for ASYMMETRIC LEAVES1 and 2 and ERECTA functions in specifying leaf adaxial identity. Development
130: 4097–4107.
Xu
L
,
Yang
L
,
Pi
L
et al. (2006) Genetic interaction between the AS1‐AS2 and RDR6‐SGS3‐AGO7 pathways for leaf morphogenesis. Plant and Cell Physiology
47: 853–863.
Yadav
RK
,
Girke
T
,
Pasala
S
,
Xie
M
and
Reddy
GV
(2009) Gene expression map of the Arabidopsis shoot apical meristem stem cell niche. Proceedings of the National Academy of Sciences of the USA
106: 4941–4946.
Further Reading
Husbands
AY
,
Chitwood
DH
,
Plavskin
Y
and
Timmermans
MCP
(2009) Signals and prepatterns: new insights into organ polarity in plants. Genes and Development
23: 1986–1997.
Koenig
D
and
Sinha
N
(2010) Evolution of leaf shape: a pattern emerges. Current Topics in Developmental Biology
91: 169–183.
Moon
J
and
Hake
S
(2011) How a leaf gets its shape. Current Opinion in Plant Biology
14: 24–30.
Scarpella
E
and
Berleth
T
(2013) Auxin transport and signaling in leaf vascular patterning. In:
Chen
R
and
Baluska
F
(eds) Polar Auxin Transport, pp 129–154. Berlin, Heidelberg: Springer.