<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="1" pageScale="1" pageWidth="1400" pageHeight="900" math="0" shadow="0">
  <root>
    <mxCell id="0" />
    <mxCell id="1" parent="0" />
    <mxCell id="node1" value="研究问题：提高并改变烟草单萜挥发物释放以改善香气" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontSize=13;fontStyle=1;arcSize=8;verticalAlign=middle;align=center;" vertex="1" parent="1">
      <mxGeometry x="40" y="40" width="340" height="64" as="geometry" />
    </mxCell>
    <mxCell id="node2" value="策略：农杆菌介导转化，导入柠檬三种单萜合酶基因（TER/LIM/PIN）" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontSize=13;fontStyle=1;arcSize=8;verticalAlign=middle;align=center;" vertex="1" parent="1">
      <mxGeometry x="40" y="214" width="340" height="64" as="geometry" />
    </mxCell>
    <mxCell id="node3" value="关键改造：分别获得TER、LIM、PIN单插入转基因株系，再杂交组合三基因" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#fff2cc;strokeColor=#d6b656;fontSize=13;fontStyle=1;arcSize=8;verticalAlign=middle;align=center;" vertex="1" parent="1">
      <mxGeometry x="40" y="388" width="340" height="64" as="geometry" />
    </mxCell>
    <mxCell id="node4" value="验证：SPME/Tenax捕集+GC-MS分析叶片和花朵挥发物谱" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f8cecc;strokeColor=#b85450;fontSize=13;fontStyle=1;arcSize=8;verticalAlign=middle;align=center;" vertex="1" parent="1">
      <mxGeometry x="40" y="562" width="340" height="64" as="geometry" />
    </mxCell>
    <mxCell id="node5" value="结果：总单萜释放量较野生型增加10-25倍（叶片最高750ng/g·24h，花朵2400ng/g·24h）" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#e1d5e7;strokeColor=#9673a6;fontSize=13;fontStyle=1;arcSize=8;verticalAlign=middle;align=center;" vertex="1" parent="1">
      <mxGeometry x="40" y="736" width="340" height="64" as="geometry" />
    </mxCell>
    <mxCell id="node6" value="结果：香气成分改变，β-石竹烯降低2-3倍，产生多种新单萜副产物" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#e1d5e7;strokeColor=#9673a6;fontSize=13;fontStyle=1;arcSize=8;verticalAlign=middle;align=center;" vertex="1" parent="1">
      <mxGeometry x="40" y="910" width="340" height="64" as="geometry" />
    </mxCell>
    <mxCell id="node7" value="结果：不同基因间竞争GPP，LIM与其他基因挥发性正相关（r²=0.98）" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#e1d5e7;strokeColor=#9673a6;fontSize=13;fontStyle=1;arcSize=8;verticalAlign=middle;align=center;" vertex="1" parent="1">
      <mxGeometry x="40" y="1084" width="340" height="64" as="geometry" />
    </mxCell>
    <mxCell id="node8" value="结论：三基因共表达可大幅提高单萜产量并改良香气，可用于花卉香型和化学生态学研究" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontSize=13;fontStyle=1;arcSize=8;verticalAlign=middle;align=center;" vertex="1" parent="1">
      <mxGeometry x="40" y="1258" 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=#000000;" 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=#000000;" 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=#000000;" edge="1" parent="1" source="node3" 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=#000000;" edge="1" parent="1" source="node4" 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=#000000;" edge="1" parent="1" source="node5" target="node6">
      <mxGeometry relative="1" as="geometry">
        </mxGeometry>
    </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=#000000;" edge="1" parent="1" source="node6" target="node7">
      <mxGeometry relative="1" as="geometry">
        </mxGeometry>
    </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=#000000;" edge="1" parent="1" source="node7" target="node8">
      <mxGeometry relative="1" as="geometry">
        </mxGeometry>
    </mxCell>
  </root>
</mxGraphModel></diagram></mxfile>