<mxfile host="app.diagrams.net"><diagram name="roadmap"><mxGraphModel dx="1422" dy="794" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1169" pageHeight="826" math="0" shadow="0">
  <root>
    <mxCell id="0" />
    <mxCell id="1" parent="0" />
    
    <mxCell id="node1" value="研究问题：长链类胡萝卜素(N≥13)及其酮基衍生物在LH2复合物中的光物理特性与低能量传递效率机制" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontSize=12;fontStyle=1;align=center;verticalAlign=middle;arcSize=8;" vertex="1" parent="1">
      <mxGeometry x="245" y="40" width="340" height="64" as="geometry" />
    </mxCell>
    
    <mxCell id="node2" value="策略：基因改造crtI:crtlP4途径，结合多光谱技术系统比较" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;fontSize=12;fontStyle=1;align=center;verticalAlign=middle;arcSize=8;" vertex="1" parent="1">
      <mxGeometry x="40" y="162" width="340" height="64" as="geometry" />
    </mxCell>
    
    <mxCell id="node3" value="关键改造：CrtI四步脱氢酶取代内源三步酶，转入螺菌黄素途径" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#fff2cc;strokeColor=#d6b656;fontSize=12;fontStyle=0;align=center;verticalAlign=middle;arcSize=8;" vertex="1" parent="1">
      <mxGeometry x="40" y="284" width="340" height="64" as="geometry" />
    </mxCell>
    
    <mxCell id="node4" value="氧调控：CrtA催化末端酮基化，生成酮基类胡萝卜素" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#fff2cc;strokeColor=#d6b656;fontSize=12;fontStyle=0;align=center;verticalAlign=middle;arcSize=8;" vertex="1" parent="1">
      <mxGeometry x="40" y="406" width="340" height="64" as="geometry" />
    </mxCell>
    
    <mxCell id="node5" value="结果1：产物表征——N=13-15长链类胡萝卜素及酮基衍生物合成" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f8cecc;strokeColor=#b85450;fontSize=12;fontStyle=0;align=center;verticalAlign=middle;arcSize=8;" vertex="1" parent="1">
      <mxGeometry x="450" y="162" width="340" height="64" as="geometry" />
    </mxCell>
    
    <mxCell id="node6" value="结果2：激发态表征——S1态能量低于/接近B850*，寿命0.8-1.8 ps" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f8cecc;strokeColor=#b85450;fontSize=12;fontStyle=0;align=center;verticalAlign=middle;arcSize=8;" vertex="1" parent="1">
      <mxGeometry x="450" y="284" width="340" height="64" as="geometry" />
    </mxCell>
    
    <mxCell id="node7" value="结果3：效率测定——Car→BChl能量传递效率仅35-42%，远低于短链" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f8cecc;strokeColor=#b85450;fontSize=12;fontStyle=0;align=center;verticalAlign=middle;arcSize=8;" vertex="1" parent="1">
      <mxGeometry x="450" y="406" width="340" height="64" as="geometry" />
    </mxCell>
    
    <mxCell id="node8" value="结果4：B850*寿命约0.8 ns，提示类胡萝卜素介导的激发态猝灭" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f8cecc;strokeColor=#b85450;fontSize=12;fontStyle=0;align=center;verticalAlign=middle;arcSize=8;" vertex="1" parent="1">
      <mxGeometry x="245" y="528" width="340" height="64" as="geometry" />
    </mxCell>
    
    <mxCell id="node9" value="结论：长链类胡萝卜素S1态几乎不参与能量传递，主要经S2态；酮基类胡萝卜素构成独特光物理类别，贡献对光保护机制的理解" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#e1d5e7;strokeColor=#9673a6;fontSize=12;fontStyle=1;align=center;verticalAlign=middle;arcSize=8;" vertex="1" parent="1">
      <mxGeometry x="245" y="650" 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;fontSize=12;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;fontSize=12;strokeColor=#6c8ebf;" 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;fontSize=12;strokeColor=#6c8ebf;" 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;fontSize=12;strokeColor=#b85450;" edge="1" parent="1" source="node1" target="node5">
      <mxGeometry relative="1" as="geometry" />
    </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;fontSize=12;strokeColor=#b85450;" edge="1" parent="1" source="node5" 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;fontSize=12;strokeColor=#b85450;" edge="1" parent="1" source="node6" 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;fontSize=12;strokeColor=#b85450;" edge="1" parent="1" source="node7" target="node8">
      <mxGeometry relative="1" as="geometry" />
    </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;fontSize=12;strokeColor=#9673a6;" edge="1" parent="1" source="node8" target="node9">
      <mxGeometry relative="1" as="geometry" />
    </mxCell>
    
  </root>
</mxGraphModel></diagram></mxfile>