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Terror attacks in Pakistan surge_我的网站

一 |     Islamabad, Oct 20 (UNI) Pakistan witnessed a record 51per cent increase in the number of terrorist attacks in a single year after the Afghan Taliban came to power in Afghanistan in August last year as a result of the withdrawal of the US forces.

As many as 433 people were killed and 719 injured in 250 attacks in Pakistan between August 15, 2021 and August 14, 2022, the Dawn newspaper on Thursday quoted the Islamabad-based think tank, Pakistan Institute of Peace Studies (Pips), as saying.

In comparison, the country witnessed 165 attacks that killed 294 people and injured 598 others from August 2020 to August 14, 2021.

These were some of the findings shared in the fifth issue of Pips’ Paper Series released on Wednesday.

The purpose of these analytical papers is to expand the knowledge base of key stakeholders on Pakistan’s Afghan perspective, and its role and interest in Afghan peace and reconciliation, the Dawn reported.

“The mindless jubilation over Taliban victory is now turning into a rude shock because the evolving security situation under the erratic Taliban rule indicates Pakistan is about to face yet another ordeal viz-a-viz terrorism,” the think-tank said.

The issue, quoting a United Nations report, said there was no sign that the Taliban regime was taking steps to limit the activities of foreign terrorist groups on Afghan soil.

It added that as per the UN report, foreign terrorist groups based in Afghanistan take the Taliban victory as a motivation to disseminate their propaganda in Central and South Asia, and globally.

Key terror outfits with active presence in Afghanistan include Al-Qaeda, Islamic Movement of Uzbekistan (IMU), East Turkistan Islamic Movement (ETIM), Tehreek-i-Taliban Pakistan (TTP) and Islamic State in Khorasan (IS-K).

So far, the Taliban have acted only against the IS-K because it actively challenges the group’s rule.

The issue underlined that there was a wave of fear and panic among residents of Khyber Pakhtunkhwa over the reported return of TTP militants from Afghanistan in recent months, the Dawn said.

The publication while quoting the United Nations High Commissioner for Refugees (UNHCR) said more than 300,000 Afghans have fled to Pakistan since the Taliban takeover.

The figure contests Pakistani authorities’ claim that about 60,000 to 70,000 Afghans entered Pakistan since August last year.

UNI MR。    研究人员利用人工智能解码基因激活中的关键DNA序列。图片来源：美国加州大学圣迭戈分校官网　　美国加州大学圣迭戈分校研究人员利用高通量DNA测序和人工智能技术，解码了人类基因中一段名为“起始子”的关键DNA序列特征。这项成果为解析基因表达调控规律和预测DNA突变影响提供了新工具。相关论文发表于最新一期《基因与发育》杂志。　　人体不同类型的细胞虽然拥有基本相同的DNA，但由于被激活的基因不同，最终能够形成不同的细胞类型，并执行各自特定的功能。DNA中的一些特殊片段负责精细调控基因表达，使细胞产生酶、激素、蛋白质以及维持细胞结构和功能所需的其他重要成分。如果这些基因没有被正确激活，细胞可能无法正常发挥功能，并可能引发包括癌症在内的多种疾病。　　为了进一步弄清DNA中哪些序列负责启动基因表达，研究人员将目光投向了“起始子”。

二 | 这是基因表达过程中的一个重要DNA区域，是基因编码的信息开始被表达，进而产生具有功能产物的关键区域。　　研究人员利用高通量DNA测序技术，检测了约50万个不同“起始子”序列的基因表达活性。随后，他们将这些实验数据用于训练机器学习模型，使AI能够识别“起始子”特有的DNA序列模式。　　利用训练出的模型，研究人员进一步在人体基因中搜索“起始子”的特征序列，发现约60%的人类基因含有“起始子”。他们表示，这些AI模型首次能够预测人类基因中是否存在“起始子”，并解码其DNA碱基序列模式。相关数据和模型还可用于预测“起始子”相关DNA突变的影响，以及设计具有特定功能的合成启动子，即能够调控基因开启和关闭的DNA序列。　　研究人员表示，人类每个细胞中都包含约60亿个DNA碱基，其中蕴含着决定基因何时、何地，以及以多大程度表达的复杂“密码”。此次建立的“起始子”AI模型只是解析这一基因表达“密码”的一小部分，希望未来进一步扩大模型范围，以更加全面地解析人类基因表达调控规律。（记者张佳欣）。

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