<mxfile host="app.diagrams.net"><diagram name="roadmap"><mxGraphModel dx="1200" dy="800" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="0" pageScale="1" pageWidth="1400" pageHeight="900" math="0" shadow="0">
  <root>
    <mxCell id="0" />
    <mxCell id="1" parent="0" />
    
    
    <mxCell id="node1" value="核心问题：类胡萝卜素代谢&lt;br&gt;理解不足限制作物基因工程" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontSize=12;fontStyle=1;verticalAlign=middle;align=center;arcSize=10;" vertex="1" parent="1">
      <mxGeometry x="450" y="40" width="340" height="64" as="geometry" />
    </mxCell>
    
    <mxCell id="node2" value="策略：系统综述生物合成途径&lt;br&gt;与调控机制，整合转化案例" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontSize=12;fontStyle=1;verticalAlign=middle;align=center;arcSize=10;" vertex="1" parent="1">
      <mxGeometry x="450" y="214" width="340" height="64" as="geometry" />
    </mxCell>
    
    <mxCell id="node3" value="关键改造一：限速酶（DXS/PSY）&lt;br&gt;过表达（拟南芥/油菜/水稻）" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#ffe6cc;strokeColor=#d79b00;fontSize=12;fontStyle=1;verticalAlign=middle;align=center;arcSize=10;" vertex="1" parent="1">
      <mxGeometry x="40" y="388" width="340" height="64" as="geometry" />
    </mxCell>
    
    <mxCell id="node4" value="关键改造二：分支酶调控&lt;br&gt;（Lcy-b过表达/LCY-e抑制）" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#ffe6cc;strokeColor=#d79b00;fontSize=12;fontStyle=1;verticalAlign=middle;align=center;arcSize=10;" vertex="1" parent="1">
      <mxGeometry x="450" y="388" width="340" height="64" as="geometry" />
    </mxCell>
    
    <mxCell id="node5" value="关键改造三：光信号通路操纵&lt;br&gt;（果实特异沉默DET1）" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#ffe6cc;strokeColor=#d79b00;fontSize=12;fontStyle=1;verticalAlign=middle;align=center;arcSize=10;" vertex="1" parent="1">
      <mxGeometry x="860" y="388" width="340" height="64" as="geometry" />
    </mxCell>
    
    <mxCell id="node6" value="结果一：种子/果实类胡萝卜素&lt;br&gt;显著提升（如水稻89 μg/g DW）" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f8cecc;strokeColor=#b85450;fontSize=12;fontStyle=1;verticalAlign=middle;align=center;arcSize=10;" vertex="1" parent="1">
      <mxGeometry x="245" y="562" width="340" height="64" as="geometry" />
    </mxCell>
    
    <mxCell id="node7" value="结果二：发现非预期表型&lt;br&gt;（ABA升高/萌发延迟）" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f8cecc;strokeColor=#b85450;fontSize=12;fontStyle=1;verticalAlign=middle;align=center;arcSize=10;" vertex="1" parent="1">
      <mxGeometry x="655" y="562" width="340" height="64" as="geometry" />
    </mxCell>
    
    <mxCell id="node8" value="结论：代谢工程+全局调控&lt;br&gt;可定向提高类胡萝卜素含量" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#e1d5e7;strokeColor=#9673a6;fontSize=13;fontStyle=1;verticalAlign=middle;align=center;arcSize=10;" vertex="1" parent="1">
      <mxGeometry x="245" y="736" width="340" height="64" as="geometry" />
    </mxCell>
    
    <mxCell id="node9" value="展望：TILLING非GM方法+&lt;br&gt;信号转导操纵实现精细调控" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#e1d5e7;strokeColor=#9673a6;fontSize=12;fontStyle=1;verticalAlign=middle;align=center;arcSize=10;" vertex="1" parent="1">
      <mxGeometry x="655" y="736" width="340" height="64" as="geometry" />
    </mxCell>
    
    
    <mxCell id="edge1" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;endArrow=block;endFill=1;strokeWidth=1.6;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;strokeColor=#6c8ebf;" edge="1" parent="1" source="node1" target="node2">
      <mxGeometry relative="1" as="geometry" />
    </mxCell>
    
    
    <mxCell id="edge2" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;endArrow=block;endFill=1;strokeWidth=1.6;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;strokeColor=#82b366;" edge="1" parent="1" source="node2" target="node3">
      <mxGeometry relative="1" as="geometry" />
    </mxCell>
    
    
    <mxCell id="edge3" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;endArrow=block;endFill=1;strokeWidth=1.6;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;strokeColor=#82b366;" edge="1" parent="1" source="node2" target="node4">
      <mxGeometry relative="1" as="geometry" />
    </mxCell>
    
    
    <mxCell id="edge4" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;endArrow=block;endFill=1;strokeWidth=1.6;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;strokeColor=#82b366;" edge="1" parent="1" source="node2" target="node5">
      <mxGeometry relative="1" as="geometry">
        </mxGeometry>
    </mxCell>
    
    
    <mxCell id="edge5" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;endArrow=block;endFill=1;strokeWidth=1.6;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;strokeColor=#d79b00;" edge="1" parent="1" source="node3" target="node6">
      <mxGeometry relative="1" as="geometry" />
    </mxCell>
    
    
    <mxCell id="edge6" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;endArrow=block;endFill=1;strokeWidth=1.6;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;strokeColor=#d79b00;" edge="1" parent="1" source="node4" target="node7">
      <mxGeometry relative="1" as="geometry" />
    </mxCell>
    
    
    <mxCell id="edge7" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;endArrow=block;endFill=1;strokeWidth=1.6;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;strokeColor=#d79b00;" edge="1" parent="1" source="node5" target="node7">
      <mxGeometry relative="1" as="geometry">
        </mxGeometry>
    </mxCell>
    
    
    <mxCell id="edge8" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;endArrow=block;endFill=1;strokeWidth=1.6;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;strokeColor=#b85450;" edge="1" parent="1" source="node6" target="node8">
      <mxGeometry relative="1" as="geometry" />
    </mxCell>
    
    
    <mxCell id="edge9" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;endArrow=block;endFill=1;strokeWidth=1.6;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;strokeColor=#b85450;" edge="1" parent="1" source="node7" target="node9">
      <mxGeometry relative="1" as="geometry" />
    </mxCell>
    
    
    <mxCell id="edge10" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;endArrow=block;endFill=1;strokeWidth=1.6;exitX=1;exitY=0.5;exitDx=0;exitDy=0;entryX=0;entryY=0.5;entryDx=0;entryDy=0;strokeColor=#9673a6;dashed=1;" edge="1" parent="1" source="node8" target="node9">
      <mxGeometry relative="1" as="geometry" />
    </mxCell>
  </root>
</mxGraphModel></diagram></mxfile>