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Gene Mapping and Phenotype Analyses of an Arabidopsis Mutant big size organ1

拟南芥bso 1突变体的基因定位及表型分析



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,2016,36(4):0641-0647
犃犮狋犪犅狅狋.犅狅狉犲犪犾.犗犮犮犻犱犲狀狋.犛犻狀.
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犌犲狀犲犕犪狆狆犻狀犵犪狀犱犘犺犲狀狅狋狔狆犲犃狀犪犾狔狊犲狊狅犳犪狀
犃狉犪犫犻犱狅狆狊犻狊犕狌狋犪狀狋犫犻犵狊犻狕犲狅狉犵犪狀1
XIAQunfang,ZHOUShumin,WANGWeiqian,LIRuisha,ZHANGHongli,ZHANGWei
(SchoolofLifeScience,ShanghaiKeyLaboratoryofBioenergyCrops,ShanghaiUniversity,Shanghai200444,China)
犃犫狊狋狉犪犮狋:Anabnormalorgansmutant犫犻犵狊犻狕犲狅狉犵犪狀1(犫狊狅1),wasisolatedbyenthylmethanesulfonate
(EMS)mutagenesisstrategy.Geneticanalysisindicatedthatthemutationphenotypewascontroledby
onerecessivenucleargene.Comparedtothewildtype,犫狊狅1showedsignificantincreaseinseedling,flow
ers,podsandseeds.Thedetectioninparaffinsectionsofseedsdisplayedthattheincreaseofthe犫狊狅1
seedsprimarilyduetotheincreaseofgermcel,sotheseedsof犫狊狅1isheavierthanthatofwildtype.The
mutationlociwasmappedtotheregionof58kbbetweenSSLPmarkerT5L19andF28M11onChr.4.Ac
cordingtotheresultofbioinformaticsanalysis,therearenopreviousgenesaboutorgandevelopmentin
theregion.Theresultsprovideabasisforfurthercloningandfunctionalanalysisof犫狊狅1inorgandevelop
ment,especialyinseeddevelopment.
犓犲狔狑狅狉犱狊:犃狉犪犫犻犱狅狆狊犻狊;seed;organ;genemapping
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sZwx犫狊狅1(犫犻犵狊犻狕犲狅狉犵犪狀1)。
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:50μE·m
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’‰û—2›‘g’“”‡[11]。
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n•Col“犫狊狅1àÌg5O–—‘,;Leica
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1.4 犫狊狅1789bcAB
è犫狊狅1ifjxªæ,ColgAhx¯æ,°
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; LeicaDM2500ï%t˜™ä‡ˆž
®ð
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ifj“犔犲狉gAhÿ±ÒpOF1 ²#qP
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j}hO#q­M-„¸¯{|

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[13]。
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(http://amp.genomics.org.cn)O”µQÂ。
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PcL犫狊狅1ifj!gAhFGH#$OÖ
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ifj犫狊狅1O‹Œ©gAh#q
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•

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rsj¤vYÑâšj#q#xtuOØÙ

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[14]。
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xâšjOØÙ}Š

èéPcDAPIº»,Lif
j©ª ¡º»jx6Ëöêë

‰ŠÏlOº
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1ifjrsvYO}hfdžMўº»jâš
jdÒ¢£O

246 ! " # $ % &                   36ï
A、F.gAh‹Œ;B、G.ifj‹Œ;C.gAh“ifj#qYƕ©(ðxñòtó—ô15õgO#q);D.gAh“if
jrsO•©
;E.gAh“ifjŽO•©;H.gAh“ifjٛO•©;I.gAh!ifj#qóg¿OŸ3•©
(n≥15,犘<0.05);J.gAh“ifjóöàO•©(àx12~14›–—‘gO#qð›)
®1 FGHifj犫狊狅1}h‡ˆ
A,F.Seedlingofwildtype;B,G.Seedlingof犫狊狅1;犫狊狅1plant(C),flowerorgan(D),silique(E)andsepal(H),
andflowertime(IandJ)comparedwithwildtype(n≥15,犘<0.05)
Fig.1 Phenotypeanalysesof犫狊狅1
PcDAPIº»³L©ª ¡lº»jx6
Ëö‡ˆ

íîҝ`¯xº»j
®2 ifj犫狊狅1º»jêë
DAPIassayofchromosomenumbersin
microsporocyte.Arrowsindicatechromosomes
Fig.2 Thechromosomenumberdetectionof犫狊狅1
2.3 犫狊狅1789?no:XY>AB
FGHO}Z Ñ̑ØdO

÷hO€ ¡
}Z 

øªùj

ÌXª3{ú[15]。´‘›¸
Mï%t˜™ä‡ˆ‰Š犫狊狅1ifj€¯E¤}
Z x§©gAh#qªÌ¸Ò‹Ovâ

®3,A、
E),gAh#q‘›}Z âx3{ú(®3,B、
F),¥犫狊狅1ifj}Z {úx§v«Š4è


®3,C、D!F)。^ûœŽüý犫狊狅1ifj
O”µif-„“#q}Z Aû‰N¨ÛªÌ¸
O”µL

2.4 犫狊狅1bcAB
è犫狊狅1ifjxªæ,ColgAhx¯æËö
°±p{F1 ²‘’,F1 ²#qðxgAh}h,á
~Êifj‚L-„Å…
。F1 ²#qPc*±
ÒpOF2 ²#$l—Š}hLO{þ,ÿifj
}h
(102q)“gAh}h(313q)•b!x1∶3,
"#$%&yz¸S

„¦

ç趷¸ifj
}h€‚Lƒ-„…†

2.5 犫狊狅1789Sp:XYqAB
犫狊狅1ifj“gAh”•©#~t¨Ñ#ª
JKO}ÙÑϑ’OYƕgAh#$

MTÑ
ColhnÑLerh)ª~tOvû(®4,A)。L‘
34645             789,á:FGH犫狊狅1ifjO-„¸¯}h{|
A.gAh“ifj‘›}Z (‹O•©;B.gAh}Z ÷hO3{);C.ifj4{)O}Z ;D.ifjl
5{)O}Z ;E.‘›€¯E¤}Z x§OŸ3œŽ;F.gAh!ifjlMà{)ÖÊO}Z O•*。Ÿ3
xra]M3˜+,`a,-xrŠ.•/10#q,-q•ô3、4、5›‘ËöŸ3(犘<0.05)
®3 gAh“犫狊狅1ifj‘›}Z x§Ö×O{|
A.Thedensityoftrichomesin犫狊狅1comparedwithwildtype;B.Thetypicaltrichomeinwildtype;C.Fourbranchytrichomein
犫狊狅1;D.Fivebranchytrichomein犫狊狅1;E.Trichomenumberstatisticsinperunitarea;F.Theratioofdiferenttrichome
numbersin犫狊狅1andwildtype.Thestatisticaldatacomefromthreeindependentexperiments,atleast10plantshadbeenusedfor
perdata.Thematerialscomefromandthethird,fourthandfifthtrueleaf(犘<0.05).
Fig.3 Thechromosomenumberdetectionof犫狊狅1
A.gAh“ifj‘’YÆO•©;B.gAh“ifj‘’^§O•©(1000‘’O1ð^§,-˜xK^þ52);
C、D.gAh“ifj‘’ŸYÆO•©;E、F.gAh“ifj‘’OÆš›;G、H.gAh“ifj‘Z ¡O•©
®4 gAh“ifj‘’O•©
Comparisonof犫狊狅1andwildtypeseedsize(A)andaverageseedweight(B)(miligramsper100seeds,Standarddeviations
areshown,n=5);Embryosizeinwildtype(C)and犫狊狅1(D);Paraffinsectionsofseedshowingembryoandseedcoatinwild
type(E,G)and犫狊狅1(F,H).
Fig.4 Comparisonof犫狊狅1andwildtypeseeds
446 ! " # $ % &                   36ï
’^§OŸ3‰Š
,犫狊狅1ifj‘’^§34Ñg
AhO1š(®4,B)。5—‘’OŸËö•©,‰
Š犫狊狅1‘’ŸOj¤6YMgAh‘’OŸ(®
4,C、D)。PcÆš›L•‡ˆgAh“犫狊狅1i
fjOŸ ¡Ox§!YÆ

œŽt7S‘’Ÿ
 ¡OYƔ8

9Ñifj‘’Ÿl ¡Ox§
tuvâ

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©t ¡OYƞ:tuåß

®4,G、H)。è
œŽü犫狊狅1‘’fY;ÏÁ`Ÿj¤vY”
µ

Ø犫狊狅1ifj”µ-„ç\PcŅ ¡{
úvûaóô‘’ŸOYÆ

D¥l¸‘’j¤

2.6 犫狊狅1789rE,;:<=
yz{|t犫狊狅1ifjžÌ‚L-„…
†

„¦Pc®¯°±²³L犫狊狅1Oif-„Ë
öÔ¸¯

¬­Ö×
(http://amp.genomics.org.
cn)‰A×h¾¿ã;â×LOÀ>x{’¼½?3@
$

ABn­;FGH-„˜lðC{{’¼½

}1)ËöD¸¯,œŽt,if¯_“
4¹º»jOSSLP{’¼½F28A11ÌE(®
5,A)。ËÌ·;4¹º»j?3FO{’¼½

}1)Lif-„Ëöº ¸¯,` {¸¯œŽî
®5,Bҝ,¬­{’¼½F1K3!FCA2;23
/ælðG帗2^˜’,Ø2{’¼½å
¸—O^˜’žM;àÌ/æl
(F1K3帜Ž
t4、13¹/æx^˜’,¥FCA2帜Žt
8、17¹/æx^˜’),^ á~^2{’¼½¯
Mif¯_7H

ËÌ·;I7{’¼½¾¿O
ÀJÁn={’¼½Ëö¸¯

#$´犫狊狅1Oi
f¯_¸¯;4¹º»jT5L19“F28M11¾
¿58kbÀ¿Á(®5,A)。PcA$QÂ%xrO
{|
(http://www.arabidopsis.org)t¦À¿Á
?1 ApLstP?
Table1 Listofprimersformolecularmarker

Category
BACwL
BACname
Kh
Type
¯¸
Position
M@$
(5→3)
Primerforward
äM@$
(5→3)
Primerreverse
D¸¯
@$Coarse
positioning
primer
F10O3 SSLP 459kb/Chr1 TGCATTGCATTTTGGATTA CCGAAAAATATCAAGTGTTG
F7A19 SSLP 4779kb/Chr1 GTTGGAGTTAGGTTTATGG TTTGTTTTCCGACTTCTTT
F15O4 SSLP 12383kb/Chr1 AATATCATCTGCAGGGGGTAT GTGATGGACTTCCCCTTACTT
F8K4 SSLP 21957kb/Chr1 GCTATTATTGTGGTCGTATT TTGTTACATGCTTTAAGATT
T18E12 SSLP 4716kb/Chr2 ATCGGAGCTTGTCAACAC AACATGAAACCCAATATC
F9O13 SSLP 9262kb/Chr2 TCCTGGAAACGGAAATTA TCTCTCCCCTGAATCTGG
F19I3 SSLP 14530kb/Chr2 TTGTCTTAAGGGTAGTTATG AGGGACTTGACGAAAGAG
F4L23 SSLP 18912kb/Chr2 GATTCTCACTGAAACTGATGGA AAAGTCCCTGATTATTGTGAG
K14A17 SSLP 5768kb/Chr3 CGCAAATTTTAATCGGTGA AGAGATCCACGCAAGCTCTA
MMG15 SSLP 10399kb/Chr3 CTTCGTTTAGTTTTATATTT AATTCTATTCACATCATAATC
T27B3 SSLP 14299kb/Chr3 TCGTTGACATTGTCATTAGT GTAACAACGGCTACAATTAT
T4D2 SSLP 19675kb/Chr3 TTGGAGTTCTACGAAGAAGT TTAGAGGAAGGAAGCGAATA
F25L24 SSLP 4513kb/Chr4 TGCTTATGCTCTGTTTACTG GTGGCTCTATGGTGACAACT
T4I9 SSLP 5230kb/Chr4 TTATAGCAAACGTACAAGTC CTGCATACACGTCGTCTC
F28A21 SSLP 13056kb/Chr4 CATCATTCATCACCAACATA AGTTGGTTTTGAATTGATAG
M4I22 SSLP 17802kb/Chr4 CATCGGCAAGTGACTTGAG GTGATCAGGCAAAACCAGTA
MBK20 SSLP 2517kb/Chr5 CTCTGTTGGGGCAAAACC GATGCTGGAGAGTAGCTTAG
T32G24 SSLP 7865kb/Chr5 AAACATTTATGCTGTAAAAC ACCCCCAATATTAGCAAG
F11P10 SSLP 12404kb/Chr5 TGTCACTTTCAAGTTGTATG AATCATTGTCGTATATGTTC
MDE13 SSLP 17484kb/Chr5 ACGTTAGTCGTACGGTAGAG TAATTTGCATCGATTTATTA
º ¸¯
@$Fine
positioning
primer
F1K3 SSLP 7214kb/Chr4 CCGATCGCCAAGAAGTAA GTGCAAACACTATCCAAAAT
T3H13 SSLP 8475kb/Chr4 CCACATAGCCACGAACAGTG ACCAGCCATGTATGTATATG
T5L19 SNP 9674kb/Chr4 GGAACTATCTGGACAGGTAATAC
(Col)
GGAACTATCTGGACAGGTAATAT(Ler) CTTTCTATGCTTTCCTTGGG
F28M11 SNP 9732kb/Chr4 AAGTTTATGTTATTAAGTTTAAG AGTCTTTTTATACATAGTTTATG
(Col)
AGTCTTTTTATACATAGTTTATA(Ler)
T22B4 IND 10448kb/Chr4 CCGAAAAATCTGATGTTTAG TGTGTGGCTCACCCATCT
FCA2 SSLP 12179kb/Chr4 TCAAGCGGACATATCAATAA CCTCGGTCTACCATACAA
54645             789,á:FGH犫狊狅1ifjO-„¸¯}h{|
A.犫狊狅1if-„;4¹º»jO¸¯ÀJU®;B.`{-„¸¯œŽ(èF1K3!FCA2{’¼½xb):L.Ler;
C.Col;1~23}1~23¹/æ;}—Š^˜’O/æ。
®5 犫狊狅1ifj-„¸¯U®
A.Genemappingof犫狅狊1on4chromosome;B.ThepartresultsofPCRanalysisformapping:LindicatesLer,
CindicatesCol,Line123indicate23differentsamples; meanstherecombinantinasample.
Fig.5 Geneticmappingof犫狊狅1
Nª!50On-„,9ÃĪ“#$rs‰NÅ
…”µ-„O&É

3 Î T
#$‘’!rsYÆÑ^COA$L
,¨
Ñ
#$PQAûO^C,¼

rsYÆOŅÌRè
a–щNA$%SJO?@T_¾Ì

ÇÈUâ
ªüyz„’î 犜犜犌2、犃犘2、犃犚犉2、犆犢犘78犃5/
犓犔犝犎、犆犢犘78犃6/犈犗犇3、犇犃1!犇犃2á–\ó
ô#$rs!‘’OYÆ
[3,4,79,16]。
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FGHlWíj DA1PcRX““WídY
SOD2ZR,}¢SOD2O[m,D¥Å…FGH‘
’!rsO‰N

#$óôÏj¤YÆ
[16]。


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