Abstract
Soybean immature seeds were used at seed-filling period to study the gene expression patterns of hybrids and parents using mRNA differential display assay in a 4×5 NCII design.The correlation between patterns and heterosis was also analyzed.The object was to reveal the heterosis from gene expression.Six patterns were found between hybrids and their parents.They were type 110(expressed in female parent and F1 but absent in male parent,type 011(expressed in male parent and F1 but absent in female parent),type 101(expressed in both parents but absent in F1),type 100(expressed only in female parent),type 001(expressed only in male parent),and type 010(expressed only in F1).The correlations between patterns and hybrid performance or mid-parent heterosis(MPH) achieved significant level.For example,the plant height positively correlated with type 110;the branch number,the seed number and seed yield positively correlated with type 001 too.Meanwhile,correlations between patterns and the best-parent heterosis(BPH) achieved significant level.Among them,highly significant negative correlations were found between plant height and type 110,node number and type 110,significant negative correlation between stem width and type 100.Positive correlations were found between plant height(as well as rate of insect food) and type 011,protein content and type 110,plant height(as well as node number) and type 101,100-seed weight and type 100,etc.All results suggested a strong correlation between gene expression pattern and the heterosis during seed-filling period of soybean.
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Claims 9
Claim · model-written summary
Six expression patterns were identified between hybrids and parents.
- Taxon
- soybean
Glycine maxt0 - Outcome
- Six patternse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Six patterns were found between hybrids and their parents”
t0“soybean”
Claim · model-written summary
Type 110 correlated positively with plant height.
- Taxon
- soybeanGlycine maxt0
- Material
- type 110e0
- Outcome
- plant heighte0
- Direction
- positively correlatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plant height positively correlated with type 110”
t0“soybean”
Claim · model-written summary
Type 001 correlated positively with branch number, seed number, and seed yield.
- Taxon
- soybeanGlycine maxt0
- Material
- type 001e0
- Outcome
- branch number,the seed number and seed yielde0
- Direction
- positively correlatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the branch number,the seed number and seed yield positively correlated with type 001 too”
t0“soybean”
Claim · model-written summary
Type 110 correlated negatively with best parent heterosis in plant height and node number.
- Taxon
- soybeanGlycine maxt0
- Material
- type 110e0
- Outcome
- plant heighte0
- Direction
- negative correlationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highly significant negative correlations were found between plant height and type 110,node number and type 110”
t0“soybean”
Claim · model-written summary
Type 100 correlated negatively with stem width.
- Taxon
- soybeanGlycine maxt0
- Material
- type 100e0
- Outcome
- stem widthe0
- Direction
- negative correlatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“significant negative correlation between stem width and type 100”
t0“soybean”
Claim · model-written summary
Type 011 correlated positively with plant height and insect feeding rate.
- Taxon
- soybeanGlycine maxt0
- Material
- type 011e0
- Outcome
- plant height(as well as rate of insect food)e0
- Direction
- Positive correlationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Positive correlations were found between plant height(as well as rate of insect food) and type 011”
t0“soybean”
Claim · model-written summary
Type 110 correlated positively with protein content.
- Taxon
- soybeanGlycine maxt0
- Material
- type 110e0
- Outcome
- protein contente0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“protein content and type 110”
t0“soybean”
Claim · model-written summary
Type 101 correlated positively with plant height and node number.
- Taxon
- soybeanGlycine maxt0
- Material
- type 101e0
- Outcome
- plant height(as well as node number)e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plant height(as well as node number) and type 101”
t0“soybean”
Claim · model-written summary
Type 100 correlated positively with 100 seed weight.
- Taxon
- soybeanGlycine maxt0
- Material
- type 100e0
- Outcome
- 100-seed weighte0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“100-seed weight and type 100”
t0“soybean”