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    <description>Blog posts on plant genomics, DNA language models, evolution, and AI by Jingjing Zhai.</description>
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      <title>几个二硫键如何分裂了东西方的餐桌</title>
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      <description>小麦储藏蛋白的二硫键交联能力如何催生了面筋，以及一次意外的六倍体化如何让发酵面包成为可能，最终塑造了东西方饮食文化的根本分野。</description>
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      <author>Jingjing Zhai</author>
      <category>wheat</category>
      <category>gluten</category>
      <category>polyploidy</category>
      <category>evolution</category>
      <category>food culture</category>
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      <title>茄科的故事（1）：一把只对哺乳动物开火的化学枪</title>
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      <description>辣椒素如何同时充当抗真菌剂、哺乳动物驱避剂和鸟类传播滤器——一个分子，三个靶标，三种结局。</description>
      <pubDate>Fri, 17 Apr 2026 00:00:00 +0000</pubDate>
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      <author>Jingjing Zhai</author>
      <category>Solanaceae</category>
      <category>capsaicin</category>
      <category>seed dispersal</category>
      <category>TRPV1</category>
      <category>evolution</category>
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      <title>茄科的故事（2）：一个科的毒药柜——从曼陀罗到阿托品</title>
      <link>https://zhaijj.github.io/paper-notebook/posts/2026-04-17-03.html</link>
      <description>茄科为何走上化学防御之路？尼古丁、阿托品、茄碱——三种武器，三种策略，殊途同归地瘫痪动物界最古老的神经信号系统。</description>
      <pubDate>Fri, 17 Apr 2026 00:00:00 +0000</pubDate>
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      <author>Jingjing Zhai</author>
      <category>Solanaceae</category>
      <category>alkaloids</category>
      <category>atropine</category>
      <category>nicotine</category>
      <category>chemical defense</category>
      <category>evolution</category>
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      <title>水稻：把别的作物最怕的东西变成自己武器的植物</title>
      <link>https://zhaijj.github.io/paper-notebook/posts/2026-04-13-01.html</link>
      <description>水稻的成功不在于某个性状突出，而在于水生适应性、驯化遗传结构和稻田生态系统三者的耦合——从演化、遗传到生态层面环环相扣的系统。</description>
      <pubDate>Mon, 13 Apr 2026 00:00:00 +0000</pubDate>
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      <author>Jingjing Zhai</author>
      <category>水稻</category>
      <category>驯化</category>
      <category>植物基因组</category>
      <category>农业生态</category>
      <category>C3光合</category>
      <category>演化</category>
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      <title>一朵不是花的花——头状花序如何让菊科称霸植物界</title>
      <link>https://zhaijj.github.io/paper-notebook/posts/2026-04-12-01.html</link>
      <description>菊科植物如何用头状花序的分工协作、先雄后雌的传粉传送带、黄金角的数学排列和冠毛的分离涡环飞行，成为植物界最大的科。</description>
      <pubDate>Sun, 12 Apr 2026 00:00:00 +0000</pubDate>
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      <author>Jingjing Zhai</author>
      <category>botany</category>
      <category>Asteraceae</category>
      <category>plant evolution</category>
      <category>phyllotaxis</category>
      <category>biomechanics</category>
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      <title>沙漠里的&quot;快闪人生&quot;：一场雨，一辈子</title>
      <link>https://zhaijj.github.io/paper-notebook/posts/2026-04-11-01.html</link>
      <description>沙漠短命植物如何用种皮化学雨量计、分散下注策略和极端压缩的生命周期，完成自然界最极致的风险管理和延迟满足。</description>
      <pubDate>Sat, 11 Apr 2026 00:00:00 +0000</pubDate>
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      <author>Jingjing Zhai</author>
      <category>plant biology</category>
      <category>desert ecology</category>
      <category>evolution</category>
      <category>seed biology</category>
      <category>bet-hedging</category>
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      <title>第四纪冰期如何塑造了人类的演化？</title>
      <link>https://zhaijj.github.io/paper-notebook/posts/2026-04-09-01.html</link>
      <description>从冰期陆桥到人口瓶颈，从尼安德特人基因渐渗到乳糖耐受的演化——第四纪气候波动如何塑造了人类的大脑、迁徙与基因组。</description>
      <pubDate>Thu, 09 Apr 2026 00:00:00 +0000</pubDate>
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      <author>Jingjing Zhai</author>
      <category>evolution</category>
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      <category>quaternary</category>
      <category>population-genetics</category>
      <category>adaptation</category>
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      <title>一座小小陆桥，如何同时改变了两个大陆的命运和全球的气候</title>
      <link>https://zhaijj.github.io/paper-notebook/posts/2026-04-05-01.html</link>
      <description>巴拿马地峡的闭合如何同时触发了美洲生物大交换、全球洋流重组和北半球冰期——一条60公里宽的陆桥改写了地球的生物演化和气候历史。</description>
      <pubDate>Sun, 05 Apr 2026 00:00:00 +0000</pubDate>
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      <author>Jingjing Zhai</author>
      <category>geology</category>
      <category>paleontology</category>
      <category>evolution</category>
      <category>climate</category>
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      <title>一片叶子的驯化困局：茶树如何绕过木本植物的演化瓶颈</title>
      <link>https://zhaijj.github.io/paper-notebook/posts/2026-03-27-01.html</link>
      <description>茶树驯化为何比禾本科作物慢得多？从世代时间、扦插繁殖、两次独立驯化到殖民时代的奠基者效应，解析茶树独特的演化路径。</description>
      <pubDate>Fri, 27 Mar 2026 00:00:00 +0000</pubDate>
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      <author>Jingjing Zhai</author>
      <category>tea</category>
      <category>domestication</category>
      <category>population-genetics</category>
      <category>plant-genomics</category>
      <category>evolution</category>
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      <title>5600万年前那次最快的全球变暖，地球经历了什么</title>
      <link>https://zhaijj.github.io/paper-notebook/posts/2026-03-22-01.html</link>
      <description>古新世-始新世极热事件（PETM）：5600万年前的碳循环扰动如何重塑深海生态与哺乳动物演化，以及它对当今气候变化的警示。</description>
      <pubDate>Sun, 22 Mar 2026 00:00:00 +0000</pubDate>
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      <author>Jingjing Zhai</author>
      <category>paleoclimate</category>
      <category>PETM</category>
      <category>carbon cycle</category>
      <category>climate change</category>
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      <title>从板块碰撞到C4光合作用：一个跨越5000万年的因果链</title>
      <link>https://zhaijj.github.io/paper-notebook/posts/2026-03-19-01.html</link>
      <description>追溯C4光合作用演化的地质根源——从印度-欧亚板块碰撞、青藏高原隆升、大气CO₂下降，到C4独立演化60余次的完整因果链</description>
      <pubDate>Thu, 19 Mar 2026 00:00:00 +0000</pubDate>
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      <author>Jingjing Zhai</author>
      <category>C4 photosynthesis</category>
      <category>plant evolution</category>
      <category>geoscience</category>
      <category>genomics</category>
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      <title>C4草地扩张：一场改变了马的脚趾和人类姿势的植被革命</title>
      <link>https://zhaijj.github.io/paper-notebook/posts/2026-03-19-02.html</link>
      <description>C4草地在8–6 Mya的扩张如何驱动了马的高冠齿与单蹄、食草动物军备竞赛，乃至东非森林退缩与人类直立行走的起点</description>
      <pubDate>Thu, 19 Mar 2026 00:00:00 +0000</pubDate>
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      <author>Jingjing Zhai</author>
      <category>C4 photosynthesis</category>
      <category>plant evolution</category>
      <category>palaeontology</category>
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