植物科学最前線

6: 51 ( 2015)0"'(),ȃƇ ǆɝƃ³ ăȸýĄ ýĄɆơâƼĄƸǃƼ ȵāƗĳĄ¸Ƚ
606-8502 ȸěęÌËƫĘȦ¸Ʀ

Photoregulation of cell division and its evolution in land plants
Keywords: light signaling, photosynthesis, phytochrome, regeneration, sugar

Ryuichi Nishihama & Takayuki Kohchi
Graduate School of Biostudies, Kyoto University
Kitashirakawa-oiwake-cho, Sakyo-ku, Kyoto 606-8502, Japan

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1959, Valanne 1966, Wada et al. 1984, Cooke et al. 1987）
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6: 54 ( 2015)USǵǶ¢&,ɝBL ,QsfQxB%Ƕ+ĽɀB¥ȭɝǵ+ĽɀBŃ¿>ɛImaizumi etal. 2002ɜǴɕ+Opl_ UUSɛSphaerocarpos donnelliiɜ+ǶƘ¢+Ľɀ,ɝ DCMU BÝ6òí&,ǑĂì&8Ȯ)>ɝ?&8śŁ;=ŖŁ+2 Ŕɝ+®+Èũ,ƷŘɃ+ R ƔĎ&´Ɲ?ɝ
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Ydx+ǘǩùŽBŃ¿>'&ș>WGjhZh* %ɝǬǳ+ĽɀŃ¿*Ʉ>ȵ
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6: 56 ( 2015)®Ĕ) Ɵø&Ľɀ>åĆƪŖ?ǧŚ*,ɝ+; )Ǚ5+ƛĭċ+8?) 61$/ ü+ǾāŰƖ,Ŵ)Ǚǡ9åĆ*¸Êǘǩɝª9¹Ő)(+ÀƏBÔ>'ɝȴ¹)Ľ
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ȳ>' 1774 Ğ*ɝNecker（1774）+Ƿŝ&ȂŎ+Ǵɕ+´ơBȉȥ?<ǔǓĬ+ 1885 Ğ*ɝVöchting（1885）,ɝ*ǴɕwMcO\iUSɛLunularia vulgaris [=cruciata]ɜ'\iUS+ǶƘ¢'ƒĳǳBƣ %ɝɐǇyYdx¹ɇ?>'´ơ*İȄ& >'ɝ¹Őƕ+8'8'ɐǇ¨#ǭ¨<´ơ¢ħĽ?>')(BôÞ4Ŵ)Ǚǡ+´ơĈɗ<ɝȹ©¢+231%+ǘǩǀ´ơ >+&,) 'ƍ+ĬȂŎ+Ƹǃǥ*;=ÚŴ+´ơĈɗŎü+ǀ&ǼA?ɝVöchting +ƍȀ$<?（Schostakowitsch 1894,
Cavers 1903, Kreh 1909）
Krehɛ1909ɜ,ɝüǀ+Ǵɕ+Ŵ)ȷ<+´ơBƹȍ8++ɝãɝȫǐå<,´ơ¢ĭ<?)"'ȉȠ% >ǻɕ+´ơǪÅ8ɍĜ*ɘɝ1898 Ğ*
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2011）Ǵɕ+´ơ&,ɝPreissia commutata * %Ïǒ¢Ŵ+ɀǘǩȅ<?>'ôÞ
?% >8++ɝ+2'C(+ǀ,+; )ħĺ+ǘǩ,ơɝsporelingɛǩāƪǳ%
<ǶƘ¢*)>4&+YdXBŇɜŴ+ƪơžɊ*ŀ>'?% >（Schostakowitsch 1894,
Kreh 1909）#4=ɝǻɕɝǴɕ+(!<+´ơȰƿ* %8ɝđ)'8ǩāƪǳƯĬ+ǘǩ¸ÊƘĺ4&»šÊ?>'Ȉ >
 &ɝ´ơ+®¤Ăĳ*ȋBŀHealdɛ1898ɜ*;?-ɝǻɕ&,ŖŁ&Ïǒ¢B´ơ) ǀ8 ?-ɝŖŁ&8śŁ&8´ơ>ǀ8 >'ȉȠ?% >oybNkUS,Áǥ&=ɝsfsYf<+´ơ* %®ǜčƬ*İȄ& >'ƺ?% >（Jenkins &R. Nishihama & T. Kohchi−6
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Cove 1983）ǻɕ+`}H` US+ǀɛMnium affineɜ* %8ɝÏǒ¢´ơ*®¥ȭƬ*«（Giles & von Maltzahn 1967）
ǻɕYPUSɛPolytrichum juniperinumɜ,śŁ&8´ơȅ<?>ɝ
ŖŁ+2 ůž*ÈƜ,ɘ （Gay 1984）Ǵɕ*>2'C(+ôÞ,ŖŁ&ǼA?ĈɗǛũ& >ɝHealdɛ1898ɜ,śŁ*>\iUS+´ơBȉȥɝ<* Caversɛ1903ɜ,ɝ\iU
Sɝ
wMcO\iUSɝX NVUS
ɛReboulia hemisphericaɜɝ
X{USɛFegatella conica [=Conocephalum
conicum]ɜɝĽɀ,Ĥ 8++śŁ* %8´ơÖǪ& >'BȉȠľ+ȇŨ* %8ɝ\iUS,śŁ* %ǘ ´ơ¢BħĽ >'ƹȍ?)<ɝŖŁ&,ŶŒÜ*ĽɀǶƘ¢BɓĠ;´ơɝ+Ě,ŻƓ& >
 ü+TSŰƖ* %ɝśŁ&´ơș=* +,( %& @ +ǋ ,4 ĭ<?% ) ɝ#+ÖǪĳ'%ɝ»šÊ+ŵƬ'?% >Ïǒ¢9 sporeling +ǘǩɝǶǠ
¢B8#®ƙǅŬɖǘǩ& >7ɝ®BİȄ'>+&,)@ Áȥ; *ɝǾāŰƖ&+MYÊ,śŁ&8ÈƜ;ș>ɝơ>MY,ǶǠ¢+ƪȱ% ) ƫǲMY&>'ü 4ɝWGjhZh&,ǨȞ9Ů<+MYȎďBŖŁ&Ǽ)"%8ƫǲMYħĽ?>+; *ɝśŁ&ȅ<?>MYȎď,ɝƫǲǘǩBÝ6ǙǡƕBƣ õÙ9ɝǠǲǘǩ<&8ƫǲǘǩ*¸ÊƘĺúÊ >õÙ*ș>'ü ?*ǰ%ɝǠǲMY+Ȏď*,9,=®BİȄ'>ɛ¡ǹɚĖƤ 1987ɜ
RTYTORE2F ǚȜ+; )ɝ
śŁ&8Ǒ¤ĂƬ*ǘǩùŽBƅĳÊ&>ŷųɄ% >+8?)  TSŰƖ+´ơ*®BİȄ'>ƞƥ'%ɝ8 #+ÖǪĳ >»šÊ*;=Ïǒ¢9
sporeling *¸ÊƘĺŀ"; *ȅ % >ɝ?ƯŉƬ*ș"+ɝ > , 1 žɊÁ+ǩā4&ŀ"%<ƪơBɂÿ+,A"% ) Ĭǥź?-ɝ´ơ,ƪǳ*
ưĦ>ȰƿBǚ)?-)<) ȥ; *ɝƪǳ, R *;>rFfQx¿ĮBÔ%>õÙ2'C(& >+; )ǀ* %,ɝ®´ơ*İɑ*)>& @ Œɝ\iU
S+ǩāƪǳ,ɝ®+8+,İɑ&,)ɝ®ÙĽ*ƥŧ>Ǒ*¤Ă>ɛNakazato et al. 1999ɜ
+7ɝśŁ&8żĂĳ+ǑB¾ƣ&>ǎè&´ơ¢ħĽ? >+8?) ǩāƪǳ
9´ơ+®*;>ȑǍ,ɝŰƖɉÊĦ»,®ÙĽ¤ĂƬ& "8+ɝȭÊ*'8)"%®ÔĊ¢¤ĂƬ)¿Į0'¹=ŞA"% "'Ķ¬?ɝǱàƉ 61  ŰƖǀ*;"%ɝ®ǘǩ¸ǿ*¥ȭƬ*«õÙ'Ń¿Ƭ*«õÙ "=ɝR ' BL &È

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+ŰƖ®+¾ƣĿƧBúÊ>'&ɝơǦƟø9ơƅƟ*şȴ)ȴıBũ%Ǜũ&@ 4ɝ&ȥ1; *ɝ®ɍ¤ĂƬ)ǘǩ¸ǿƅĳÊŷų+ƛĭɝǞǌťŰƖ*>Ů
'íåĆ+ƪŖ*ȓƚ8?)  ½+ȅŒB?-ɝ®ÔĊ'ǘǩ¸ǿĽɀBǛ/G ^rIY,Ö÷Ƭ& >'Ȉ >
?&8ȭÊ+Ȱƿ&Ôǝ?%óŤħ >,& =ɝ?B8'*ōúBÆ >'&ȴı'Ǥ >+ǮƓ& @ ŰƖ+ĽɀBřȯƬ*ƞȇ>7*,ɝ4+óŤħBȇŖ
>'ȼȄ& >ȭÊƬ*Ŵ)žɊ&¸ėŰƖBƣ ɝſȟWYdxơƖĄƬEs`ŠÈ& @  Ťǁ&,®ÙĽ+Èũ'%Ǒ+5BÓ=ɝ®ÙĽ+Ȱƿ* %,ɝATPɝNADPHɝ
fRgWRh)(Ŵ)ơĽƖơ5·?>?<ǘǩ¸ǿ9ǘǩĽɀ*Ñ3ĩɏ
8ɝǟÙƬ*ǤĻ>İȄ >Ĭ+Ƹǃ+ĕɂ*šī  )ńǷ（Nishihama & Kohchi 2013）* %ɝŰƖǘǩ¸ǿ+®¿Į*Ʉ%Ťǁ&Ó=%) ŰƖǀ9ıǋ*# %8ȇȐÐǤ*%  ?-ğƠ& >

71*+
 Ťǁ+ñǊ* =ɝMonash ýĄ+ John Bowman ƀɝ;. Tom Dierschke ƀ*,ɝTSŰƖ+ü+Õ²ŏƚĵôɝƙȏŏƚ+ȇȐɝ;.ȕȼ)ÇȈBɐɝĹȒ*ǜ ) 4ɝȸýĄ+ţŸļƀ*,ɝŎü+Šƣ)Ty fBɐ *ĹȒ+ĸBǽ>Ťǁ&Ó=ľ+Ƹǃ,ɝŏȷƼĄƲ+ƼĄƸǃȖȁÇȿ*;>ÇĽ+8'ǼA?

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